155664752 has 40 divisors (see below), whose sum is σ = 309462336. Its totient is φ = 75819776.

The previous prime is 155664749. The next prime is 155664787. The reversal of 155664752 is 257466551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238058 + ... + 238710.

Almost surely, 2^155664752 is an apocalyptic number.

It is an amenable number.

155664752 is a deficient number, since it is larger than the sum of its proper divisors (153797584).

155664752 is a wasteful number, since it uses less digits than its factorization.

155664752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 1019 counting only the distinct ones).

The product of its digits is 252000, while the sum is 41.

The square root of 155664752 is about 12476.5681178760. The cubic root of 155664752 is about 537.9353625767.

The spelling of 155664752 in words is "one hundred fifty-five million, six hundred sixty-four thousand, seven hundred fifty-two".