149152979 has 2 divisors, whose sum is σ = 149152980. Its totient is φ = 149152978.

The previous prime is 149152973. The next prime is 149153009. The reversal of 149152979 is 979251941.

It is a weak prime.

It is an emirp because it is prime and its reverse (979251941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149152979 - 2¹⁶ = 149087443 is a prime.

It is a super-2 number, since 2×149152979² = 44493222289148882, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149152973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74576489 + 74576490.

It is an arithmetic number, because the mean of its divisors is an integer number (74576490).

Almost surely, 2^149152979 is an apocalyptic number.

149152979 is a deficient number, since it is larger than the sum of its proper divisors (1).

149152979 is an equidigital number, since it uses as much as digits as its factorization.

149152979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 47.

The square root of 149152979 is about 12212.8202721566. The cubic root of 149152979 is about 530.3272916156.

The spelling of 149152979 in words is "one hundred forty-nine million, one hundred fifty-two thousand, nine hundred seventy-nine".