155324051 has 2 divisors, whose sum is σ = 155324052. Its totient is φ = 155324050.

The previous prime is 155324047. The next prime is 155324101. The reversal of 155324051 is 150423551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155324051 - 2² = 155324047 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155324051.

It is not a weakly prime, because it can be changed into another prime (155324011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77662025 + 77662026.

It is an arithmetic number, because the mean of its divisors is an integer number (77662026).

Almost surely, 2^155324051 is an apocalyptic number.

155324051 is a deficient number, since it is larger than the sum of its proper divisors (1).

155324051 is an equidigital number, since it uses as much as digits as its factorization.

155324051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 155324051 is about 12462.9070043871. The cubic root of 155324051 is about 537.5426190111.

The spelling of 155324051 in words is "one hundred fifty-five million, three hundred twenty-four thousand, fifty-one".