149891856022 has 32 divisors (see below), whose sum is σ = 237096714240. Its totient is φ = 70964799840.

The previous prime is 149891855989. The next prime is 149891856073. The reversal of 149891856022 is 220658198941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16450804 + ... + 16459912.

It is an arithmetic number, because the mean of its divisors is an integer number (7409272320).

Almost surely, 2^149891856022 is an apocalyptic number.

149891856022 is a deficient number, since it is larger than the sum of its proper divisors (87204858218).

149891856022 is a wasteful number, since it uses less digits than its factorization.

149891856022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14836.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 149891856022 in words is "one hundred forty-nine billion, eight hundred ninety-one million, eight hundred fifty-six thousand, twenty-two".