149801430985 has 32 divisors (see below), whose sum is σ = 189892926720. Its totient is φ = 113221152000.

The previous prime is 149801430971. The next prime is 149801430991. The reversal of 149801430985 is 589034108941.

It is not a de Polignac number, because 149801430985 - 2⁹ = 149801430473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4851295 + ... + 4882075.

It is an arithmetic number, because the mean of its divisors is an integer number (5934153960).

Almost surely, 2^149801430985 is an apocalyptic number.

It is an amenable number.

149801430985 is a deficient number, since it is larger than the sum of its proper divisors (40091495735).

149801430985 is a wasteful number, since it uses less digits than its factorization.

149801430985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31329.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 149801430985 in words is "one hundred forty-nine billion, eight hundred one million, four hundred thirty thousand, nine hundred eighty-five".