145331442504 has 48 divisors (see below), whose sum is σ = 400058559420. Its totient is φ = 47649651840.

The previous prime is 145331442467. The next prime is 145331442523. The reversal of 145331442504 is 405244133541.

145331442504 is a `hidden beast` number, since 1 + 4 + 5 + 3 + 3 + 144 + 2 + 504 = 666.

145331442504 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 can be written as a sum of positive squares in 2 ways, for example, as 86524222500 + 58807220004 = 294150^2 + 242502^2 .

It is a super-2 number, since 2×145331442504² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16540627 + ... + 16549410.

Almost surely, 2^145331442504 is an apocalyptic number.

It is an amenable number.

145331442504 is an abundant number, since it is smaller than the sum of its proper divisors (254727116916).

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

145331442504 is a wasteful number, since it uses less digits than its factorization.

145331442504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33090110 (or 33090103 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 145331442504 in words is "one hundred forty-five billion, three hundred thirty-one million, four hundred forty-two thousand, five hundred four".