149518051 has 2 divisors, whose sum is σ = 149518052. Its totient is φ = 149518050.

The previous prime is 149518013. The next prime is 149518069. The reversal of 149518051 is 150815941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149518051 - 2²⁵ = 115963619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149517998 and 149518016.

It is not a weakly prime, because it can be changed into another prime (149518091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74759025 + 74759026.

It is an arithmetic number, because the mean of its divisors is an integer number (74759026).

Almost surely, 2^149518051 is an apocalyptic number.

149518051 is a deficient number, since it is larger than the sum of its proper divisors (1).

149518051 is an equidigital number, since it uses as much as digits as its factorization.

149518051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 34.

The square root of 149518051 is about 12227.7573986402. The cubic root of 149518051 is about 530.7596215641.

The spelling of 149518051 in words is "one hundred forty-nine million, five hundred eighteen thousand, fifty-one".