149610054978 has 24 divisors (see below), whose sum is σ = 330271255548. Its totient is φ = 48929074272.

The previous prime is 149610054959. The next prime is 149610055039. The reversal of 149610054978 is 879450016941.

149610054978 is a `hidden beast` number, since 1 + 4 + 96 + 1 + 0 + 0 + 549 + 7 + 8 = 666.

149610054978 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 117459054729 + 32151000249 = 342723^2 + 179307^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78411025 + ... + 78412932.

Almost surely, 2^149610054978 is an apocalyptic number.

149610054978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

149610054978 is an abundant number, since it is smaller than the sum of its proper divisors (180661200570).

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

149610054978 is a wasteful number, since it uses less digits than its factorization.

149610054978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156824018 (or 156824015 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 149610054978 in words is "one hundred forty-nine billion, six hundred ten million, fifty-four thousand, nine hundred seventy-eight".