Search a number
-
+
142154484 = 22311846207
BaseRepresentation
bin10000111100100…
…01101011110100
3100220111012021220
420132101223310
5242342420414
622034510340
73344202363
oct1036215364
9326435256
10142154484
117327384a
123b7353b0
13235b2ba4
1414c457da
15c72eca9
hex8791af4

142154484 has 12 divisors (see below), whose sum is σ = 331693824. Its totient is φ = 47384824.

The previous prime is 142154483. The next prime is 142154489. The reversal of 142154484 is 484451241.

142154484 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142154483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5923092 + ... + 5923115.

It is an arithmetic number, because the mean of its divisors is an integer number (27641152).

Almost surely, 2142154484 is an apocalyptic number.

It is an amenable number.

142154484 is an abundant number, since it is smaller than the sum of its proper divisors (189539340).

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

142154484 is a wasteful number, since it uses less digits than its factorization.

142154484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11846214 (or 11846212 counting only the distinct ones).

The product of its digits is 20480, while the sum is 33.

The square root of 142154484 is about 11922.8555304507. The cubic root of 142154484 is about 521.8994683162.

The spelling of 142154484 in words is "one hundred forty-two million, one hundred fifty-four thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 11846207 23692414 35538621 47384828 71077242 142154484