149204051 has 2 divisors, whose sum is σ = 149204052. Its totient is φ = 149204050.

The previous prime is 149204021. The next prime is 149204071. The reversal of 149204051 is 150402941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149204051 - 2¹⁰ = 149203027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149204051.

It is not a weakly prime, because it can be changed into another prime (149204021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74602025 + 74602026.

It is an arithmetic number, because the mean of its divisors is an integer number (74602026).

Almost surely, 2^149204051 is an apocalyptic number.

149204051 is a deficient number, since it is larger than the sum of its proper divisors (1).

149204051 is an equidigital number, since it uses as much as digits as its factorization.

149204051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 149204051 is about 12214.9110107278. The cubic root of 149204051 is about 530.3878151237.

Adding to 149204051 its reverse (150402941), we get a palindrome (299606992).

The spelling of 149204051 in words is "one hundred forty-nine million, two hundred four thousand, fifty-one".