155313402 has 16 divisors (see below), whose sum is σ = 310766112. Its totient is φ = 51747920.

The previous prime is 155313401. The next prime is 155313439. The reversal of 155313402 is 204313551.

155313402 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 not an unprimeable number, because it can be changed into a prime (155313401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13768 + ... + 22364.

It is an arithmetic number, because the mean of its divisors is an integer number (19422882).

Almost surely, 2^155313402 is an apocalyptic number.

155313402 is an abundant number, since it is smaller than the sum of its proper divisors (155452710).

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

155313402 is a wasteful number, since it uses less digits than its factorization.

155313402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11613.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 155313402 is about 12462.4797692915. The cubic root of 155313402 is about 537.5303341092.

Adding to 155313402 its reverse (204313551), we get a palindrome (359626953).

The spelling of 155313402 in words is "one hundred fifty-five million, three hundred thirteen thousand, four hundred two".