149658110802 has 18 divisors (see below), whose sum is σ = 324262796247. Its totient is φ = 49885489836.

The previous prime is 149658110779. The next prime is 149658110857. The reversal of 149658110802 is 208011856941.

It is a happy number.

149658110802 is a `hidden beast` number, since 1 + 496 + 5 + 81 + 1 + 0 + 80 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 74829055401 + 74829055401 = 273549^2 + 273549^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=273549.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1595703 + ... + 1686885.

Almost surely, 2^149658110802 is an apocalyptic number.

149658110802 is an abundant number, since it is smaller than the sum of its proper divisors (174604685445).

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

149658110802 is an frugal number, since it uses more digits than its factorization.

149658110802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182374 (or 91188 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The spelling of 149658110802 in words is "one hundred forty-nine billion, six hundred fifty-eight million, one hundred ten thousand, eight hundred two".