154138608 has 60 divisors (see below), whose sum is σ = 464562280. Its totient is φ = 47426688.

The previous prime is 154138591. The next prime is 154138627. The reversal of 154138608 is 806831451.

154138608 is a `hidden beast` number, since 1 + 5 + 41 + 3 + 8 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 39298 + ... + 43041.

Almost surely, 2^154138608 is an apocalyptic number.

154138608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

154138608 is an abundant number, since it is smaller than the sum of its proper divisors (310423672).

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

154138608 is a wasteful number, since it uses less digits than its factorization.

154138608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82366 (or 82357 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 154138608 is about 12415.2570654014. The cubic root of 154138608 is about 536.1716054080.

The spelling of 154138608 in words is "one hundred fifty-four million, one hundred thirty-eight thousand, six hundred eight".