155415366 has 24 divisors (see below), whose sum is σ = 340071264. Its totient is φ = 51291600.

The previous prime is 155415349. The next prime is 155415367. The reversal of 155415366 is 663514551.

155415366 is a `hidden beast` number, since 1 + 5 + 541 + 53 + 66 = 666.

155415366 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 155415366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155415367) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 40926 + ... + 44561.

It is an arithmetic number, because the mean of its divisors is an integer number (14169636).

Almost surely, 2^155415366 is an apocalyptic number.

155415366 is an abundant number, since it is smaller than the sum of its proper divisors (184655898).

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

155415366 is a wasteful number, since it uses less digits than its factorization.

155415366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85596 (or 85593 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 155415366 is about 12466.5699372361. The cubic root of 155415366 is about 537.6479387988.

The spelling of 155415366 in words is "one hundred fifty-five million, four hundred fifteen thousand, three hundred sixty-six".