154903968 has 48 divisors (see below), whose sum is σ = 451805760. Its totient is φ = 51634368.

The previous prime is 154903951. The next prime is 154903981. The reversal of 154903968 is 869309451.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88780 + ... + 90507.

It is an arithmetic number, because the mean of its divisors is an integer number (9412620).

Almost surely, 2^154903968 is an apocalyptic number.

154903968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

154903968 is an abundant number, since it is smaller than the sum of its proper divisors (296901792).

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

154903968 is a wasteful number, since it uses less digits than its factorization.

154903968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179306 (or 179292 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 154903968 is about 12446.0422625026. The cubic root of 154903968 is about 537.0575762990.

The spelling of 154903968 in words is "one hundred fifty-four million, nine hundred three thousand, nine hundred sixty-eight".