155013053 has 6 divisors (see below), whose sum is σ = 167854554. Its totient is φ = 143088816.

The previous prime is 155012981. The next prime is 155013071. The reversal of 155013053 is 350310551.

It can be written as a sum of positive squares in 3 ways, for example, as 334084 + 154678969 = 578^2 + 12437^2 .

It is not a de Polignac number, because 155013053 - 2⁸ = 155012797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155013253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 458450 + ... + 458787.

It is an arithmetic number, because the mean of its divisors is an integer number (27975759).

Almost surely, 2^155013053 is an apocalyptic number.

155013053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155013053 is a deficient number, since it is larger than the sum of its proper divisors (12841501).

155013053 is an equidigital number, since it uses as much as digits as its factorization.

155013053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917263 (or 917250 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 155013053 is about 12450.4238080477. The cubic root of 155013053 is about 537.1836139119.

The spelling of 155013053 in words is "one hundred fifty-five million, thirteen thousand, fifty-three".