155313284 has 12 divisors (see below), whose sum is σ = 310626624. Its totient is φ = 66562824.

The previous prime is 155313233. The next prime is 155313313. The reversal of 155313284 is 482313551.

155313284 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 155313284.

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, 2773424 + ... + 2773479.

It is an arithmetic number, because the mean of its divisors is an integer number (25885552).

Almost surely, 2^155313284 is an apocalyptic number.

155313284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

155313284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

155313284 is a wasteful number, since it uses less digits than its factorization.

155313284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546914 (or 5546912 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 155313284 is about 12462.4750350803. The cubic root of 155313284 is about 537.5301979789.

The spelling of 155313284 in words is "one hundred fifty-five million, three hundred thirteen thousand, two hundred eighty-four".