155300051 has 2 divisors, whose sum is σ = 155300052. Its totient is φ = 155300050.

The previous prime is 155300021. The next prime is 155300059. The reversal of 155300051 is 150003551.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155300051 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 155299996 and 155300032.

It is not a weakly prime, because it can be changed into another prime (155300059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77650025 + 77650026.

It is an arithmetic number, because the mean of its divisors is an integer number (77650026).

Almost surely, 2^155300051 is an apocalyptic number.

155300051 is a deficient number, since it is larger than the sum of its proper divisors (1).

155300051 is an equidigital number, since it uses as much as digits as its factorization.

155300051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 155300051 is about 12461.9441099694. The cubic root of 155300051 is about 537.5149313321.

The spelling of 155300051 in words is "one hundred fifty-five million, three hundred thousand, fifty-one".