145858237164 has 24 divisors (see below), whose sum is σ = 378150985520. Its totient is φ = 48619412352.

The previous prime is 145858237111. The next prime is 145858237181. The reversal of 145858237164 is 461732858541.

It is a happy number.

145858237164 is a `hidden beast` number, since 1 + 4 + 58 + 582 + 3 + 7 + 1 + 6 + 4 = 666.

145858237164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 145858237164.

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 7 ways as a sum of consecutive naturals, for example, 675269509 + ... + 675269724.

Almost surely, 2^145858237164 is an apocalyptic number.

It is an amenable number.

145858237164 is an abundant number, since it is smaller than the sum of its proper divisors (232292748356).

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

145858237164 is a wasteful number, since it uses less digits than its factorization.

145858237164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350539246 (or 1350539238 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The spelling of 145858237164 in words is "one hundred forty-five billion, eight hundred fifty-eight million, two hundred thirty-seven thousand, one hundred sixty-four".