155315254 has 8 divisors (see below), whose sum is σ = 233153208. Its totient is φ = 77597520.

The previous prime is 155315243. The next prime is 155315261. The reversal of 155315254 is 452513551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 26752 + ... + 32035.

It is an arithmetic number, because the mean of its divisors is an integer number (29144151).

Almost surely, 2^155315254 is an apocalyptic number.

155315254 is a deficient number, since it is larger than the sum of its proper divisors (77837954).

155315254 is a wasteful number, since it uses less digits than its factorization.

155315254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60110.

The product of its digits is 15000, while the sum is 31.

The square root of 155315254 is about 12462.5540720993. The cubic root of 155315254 is about 537.5324706542.

It can be divided in two parts, 1553 and 15254, that added together give a 5-th power (16807 = 7⁵).

The spelling of 155315254 in words is "one hundred fifty-five million, three hundred fifteen thousand, two hundred fifty-four".