155342816 has 24 divisors (see below), whose sum is σ = 307115424. Its totient is φ = 77345280.

The previous prime is 155342807. The next prime is 155342843. The reversal of 155342816 is 618243551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2360 + ... + 17783.

It is an arithmetic number, because the mean of its divisors is an integer number (12796476).

Almost surely, 2^155342816 is an apocalyptic number.

155342816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155342816 is a deficient number, since it is larger than the sum of its proper divisors (151772608).

155342816 is a wasteful number, since it uses less digits than its factorization.

155342816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20394 (or 20386 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 155342816 is about 12463.6598156400. The cubic root of 155342816 is about 537.5642653284.

The spelling of 155342816 in words is "one hundred fifty-five million, three hundred forty-two thousand, eight hundred sixteen".