149253895524 has 12 divisors (see below), whose sum is σ = 348259089584. Its totient is φ = 49751298504.

The previous prime is 149253895517. The next prime is 149253895529. The reversal of 149253895524 is 425598352941.

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

It is not an unprimeable number, because it can be changed into a prime (149253895529) 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, 6218912302 + ... + 6218912325.

Almost surely, 2^149253895524 is an apocalyptic number.

It is an amenable number.

149253895524 is an abundant number, since it is smaller than the sum of its proper divisors (199005194060).

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

149253895524 is a wasteful number, since it uses less digits than its factorization.

149253895524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12437824634 (or 12437824632 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 57.

The spelling of 149253895524 in words is "one hundred forty-nine billion, two hundred fifty-three million, eight hundred ninety-five thousand, five hundred twenty-four".