155013402 has 16 divisors (see below), whose sum is σ = 311182560. Its totient is φ = 51478512.

The previous prime is 155013401. The next prime is 155013407. The reversal of 155013402 is 204310551.

It is a super-2 number, since 2×155013402² = 48058309599227208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155013401) 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 7 ways as a sum of consecutive naturals, for example, 46408 + ... + 49635.

It is an arithmetic number, because the mean of its divisors is an integer number (19448910).

Almost surely, 2^155013402 is an apocalyptic number.

155013402 is an abundant number, since it is smaller than the sum of its proper divisors (156169158).

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

155013402 is a wasteful number, since it uses less digits than its factorization.

155013402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96317.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 155013402 is about 12450.4378236269. The cubic root of 155013402 is about 537.1840170541.

Adding to 155013402 its reverse (204310551), we get a palindrome (359323953).

The spelling of 155013402 in words is "one hundred fifty-five million, thirteen thousand, four hundred two".