155653137 has 16 divisors (see below), whose sum is σ = 233378880. Its totient is φ = 102517056.

The previous prime is 155653129. The next prime is 155653153. The reversal of 155653137 is 731356551.

It is not a de Polignac number, because 155653137 - 2³ = 155653129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155653177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32488 + ... + 36969.

It is an arithmetic number, because the mean of its divisors is an integer number (14586180).

Almost surely, 2^155653137 is an apocalyptic number.

It is an amenable number.

155653137 is a deficient number, since it is larger than the sum of its proper divisors (77725743).

155653137 is an equidigital number, since it uses as much as digits as its factorization.

155653137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69549 (or 69543 counting only the distinct ones).

The product of its digits is 47250, while the sum is 36.

The square root of 155653137 is about 12476.1026366410. The cubic root of 155653137 is about 537.9219828091.

The spelling of 155653137 in words is "one hundred fifty-five million, six hundred fifty-three thousand, one hundred thirty-seven".