155160253 has 2 divisors, whose sum is σ = 155160254. Its totient is φ = 155160252.

The previous prime is 155160221. The next prime is 155160263. The reversal of 155160253 is 352061551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152843769 + 2316484 = 12363^2 + 1522^2 .

It is a cyclic number.

It is not a de Polignac number, because 155160253 - 2⁵ = 155160221 is a prime.

It is a super-2 number, since 2×155160253² = 48149408222048018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155160263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77580126 + 77580127.

It is an arithmetic number, because the mean of its divisors is an integer number (77580127).

Almost surely, 2^155160253 is an apocalyptic number.

It is an amenable number.

155160253 is a deficient number, since it is larger than the sum of its proper divisors (1).

155160253 is an equidigital number, since it uses as much as digits as its factorization.

155160253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 155160253 is about 12456.3338506962. Note that the first 3 decimals coincide. The cubic root of 155160253 is about 537.3535961818.

The spelling of 155160253 in words is "one hundred fifty-five million, one hundred sixty thousand, two hundred fifty-three".