149850979 has 2 divisors, whose sum is σ = 149850980. Its totient is φ = 149850978.

The previous prime is 149850949. The next prime is 149851007. The reversal of 149850979 is 979058941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149850979 - 2¹⁷ = 149719907 is a prime.

It is not a weakly prime, because it can be changed into another prime (149850919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74925489 + 74925490.

It is an arithmetic number, because the mean of its divisors is an integer number (74925490).

Almost surely, 2^149850979 is an apocalyptic number.

149850979 is a deficient number, since it is larger than the sum of its proper divisors (1).

149850979 is an equidigital number, since it uses as much as digits as its factorization.

149850979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 149850979 is about 12241.3634453030. The cubic root of 149850979 is about 531.1532724655.

The spelling of 149850979 in words is "one hundred forty-nine million, eight hundred fifty thousand, nine hundred seventy-nine".