149009890564 has 12 divisors (see below), whose sum is σ = 261166650444. Its totient is φ = 74390847584.

The previous prime is 149009890507. The next prime is 149009890607. The reversal of 149009890564 is 465098900941.

149009890564 is digitally balanced in base 3, 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 16863100164 + 132146790400 = 129858^2 + 363520^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28521487 + ... + 28526710.

It is an arithmetic number, because the mean of its divisors is an integer number (21763887537).

Almost surely, 2^149009890564 is an apocalyptic number.

It is an amenable number.

149009890564 is a deficient number, since it is larger than the sum of its proper divisors (112156759880).

149009890564 is a wasteful number, since it uses less digits than its factorization.

149009890564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57048854 (or 57048852 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 149009890564 in words is "one hundred forty-nine billion, nine million, eight hundred ninety thousand, five hundred sixty-four".