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142455324 = 223111497243
BaseRepresentation
bin10000111110110…
…11001000011100
3100221001110222010
420133123020130
5242432032244
622045151220
73346564434
oct1037331034
9327043863
10142455324
1173459880
123b85b510
1323689abb
1414cc32c4
15c78deb9
hex87db21c

142455324 has 48 divisors (see below), whose sum is σ = 365097600. Its totient is φ = 42872640.

The previous prime is 142455289. The next prime is 142455329. The reversal of 142455324 is 423554241.

142455324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 142455291 and 142455300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142455329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16047 + ... + 23289.

It is an arithmetic number, because the mean of its divisors is an integer number (7606200).

Almost surely, 2142455324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142455324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182548800).

142455324 is an abundant number, since it is smaller than the sum of its proper divisors (222642276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142455324 is a wasteful number, since it uses less digits than its factorization.

142455324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7410 (or 7408 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 142455324 is about 11935.4649679013. The cubic root of 142455324 is about 522.2673723115.

The spelling of 142455324 in words is "one hundred forty-two million, four hundred fifty-five thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 149 298 447 596 894 1639 1788 3278 4917 6556 7243 9834 14486 19668 21729 28972 43458 79673 86916 159346 239019 318692 478038 956076 1079207 2158414 3237621 4316828 6475242 11871277 12950484 23742554 35613831 47485108 71227662 142455324