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141531345 = 3253145141
BaseRepresentation
bin10000110111110…
…01100011010001
3100212022112111200
420123321203101
5242213000340
622013301413
73335665554
oct1033714321
9325275450
10141531345
117298865a
123b494869
1323425377
1414b2269b
15c65a330
hex86f98d1

141531345 has 12 divisors (see below), whose sum is σ = 245321076. Its totient is φ = 75483360.

The previous prime is 141531343. The next prime is 141531367. The reversal of 141531345 is 543135141.

It is a happy number.

141531345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37307664 + 104223681 = 6108^2 + 10209^2 .

It is not a de Polignac number, because 141531345 - 21 = 141531343 is a prime.

It is a super-2 number, since 2×1415313452 = 40062243235018050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (141531343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1572526 + ... + 1572615.

It is an arithmetic number, because the mean of its divisors is an integer number (20443423).

Almost surely, 2141531345 is an apocalyptic number.

141531345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

141531345 is a deficient number, since it is larger than the sum of its proper divisors (103789731).

141531345 is a wasteful number, since it uses less digits than its factorization.

141531345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145152 (or 3145149 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 141531345 is about 11896.6947090358. The cubic root of 141531345 is about 521.1357633136.

Adding to 141531345 its reverse (543135141), we get a palindrome (684666486).

The spelling of 141531345 in words is "one hundred forty-one million, five hundred thirty-one thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 45 3145141 9435423 15725705 28306269 47177115 141531345