155047716 has 24 divisors (see below), whose sum is σ = 401975840. Its totient is φ = 51682536.

The previous prime is 155047699. The next prime is 155047729. The reversal of 155047716 is 617740551.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717706 + ... + 717921.

Almost surely, 2^155047716 is an apocalyptic number.

It is an amenable number.

155047716 is an abundant number, since it is smaller than the sum of its proper divisors (246928124).

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

155047716 is a wasteful number, since it uses less digits than its factorization.

155047716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435640 (or 1435632 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 155047716 is about 12451.8157712038. The cubic root of 155047716 is about 537.2236514173.

It can be divided in two parts, 15504 and 7716, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 155047716 in words is "one hundred fifty-five million, forty-seven thousand, seven hundred sixteen".