155033051 has 2 divisors, whose sum is σ = 155033052. Its totient is φ = 155033050.

The previous prime is 155033033. The next prime is 155033057. The reversal of 155033051 is 150330551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155033051 - 2⁶ = 155032987 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (155033057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77516525 + 77516526.

It is an arithmetic number, because the mean of its divisors is an integer number (77516526).

Almost surely, 2^155033051 is an apocalyptic number.

155033051 is a deficient number, since it is larger than the sum of its proper divisors (1).

155033051 is an equidigital number, since it uses as much as digits as its factorization.

155033051 is an evil number, because the sum of its binary digits is even.

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

The square root of 155033051 is about 12451.2268873393. The cubic root of 155033051 is about 537.2067133343.

The spelling of 155033051 in words is "one hundred fifty-five million, thirty-three thousand, fifty-one".