155015316 has 48 divisors (see below), whose sum is σ = 425537280. Its totient is φ = 48631680.

The previous prime is 155015303. The next prime is 155015327. The reversal of 155015316 is 613510551.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 155015316.

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 15 ways as a sum of consecutive naturals, for example, 40380 + ... + 44051.

It is an arithmetic number, because the mean of its divisors is an integer number (8865360).

Almost surely, 2^155015316 is an apocalyptic number.

It is an amenable number.

155015316 is an abundant number, since it is smaller than the sum of its proper divisors (270521964).

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

155015316 is a wasteful number, since it uses less digits than its factorization.

155015316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84461 (or 84453 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 155015316 is about 12450.5146881565. The cubic root of 155015316 is about 537.1862279726.

Adding to 155015316 its reverse (613510551), we get a palindrome (768525867).

The spelling of 155015316 in words is "one hundred fifty-five million, fifteen thousand, three hundred sixteen".