155415282 has 32 divisors (see below), whose sum is σ = 340352064. Its totient is φ = 46920000.

The previous prime is 155415257. The next prime is 155415283. The reversal of 155415282 is 282514551.

155415282 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (155415283) 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, 14032 + ... + 22532.

It is an arithmetic number, because the mean of its divisors is an integer number (10636002).

Almost surely, 2^155415282 is an apocalyptic number.

155415282 is an abundant number, since it is smaller than the sum of its proper divisors (184936782).

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

155415282 is a wasteful number, since it uses less digits than its factorization.

155415282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8794.

The product of its digits is 16000, while the sum is 33.

The square root of 155415282 is about 12466.5665682256. The cubic root of 155415282 is about 537.6478419349.

It can be divided in two parts, 1554 and 15282, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 155415282 in words is "one hundred fifty-five million, four hundred fifteen thousand, two hundred eighty-two".