155104051 has 2 divisors, whose sum is σ = 155104052. Its totient is φ = 155104050.

The previous prime is 155104043. The next prime is 155104063. The reversal of 155104051 is 150401551.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155104051 - 2³ = 155104043 is a prime.

It is a super-2 number, since 2×155104051² = 48114533273221202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (155104021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77552025 + 77552026.

It is an arithmetic number, because the mean of its divisors is an integer number (77552026).

Almost surely, 2^155104051 is an apocalyptic number.

155104051 is a deficient number, since it is larger than the sum of its proper divisors (1).

155104051 is an equidigital number, since it uses as much as digits as its factorization.

155104051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 155104051 is about 12454.0776856418. The cubic root of 155104051 is about 537.2887084429.

The spelling of 155104051 in words is "one hundred fifty-five million, one hundred four thousand, fifty-one".