149504479 has 2 divisors, whose sum is σ = 149504480. Its totient is φ = 149504478.

The previous prime is 149504471. The next prime is 149504501. The reversal of 149504479 is 974405941.

It is a weak prime.

It is an emirp because it is prime and its reverse (974405941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149504479 - 2³ = 149504471 is a prime.

It is a super-2 number, since 2×149504479² = 44703178482122882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149504471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74752239 + 74752240.

It is an arithmetic number, because the mean of its divisors is an integer number (74752240).

Almost surely, 2^149504479 is an apocalyptic number.

149504479 is a deficient number, since it is larger than the sum of its proper divisors (1).

149504479 is an equidigital number, since it uses as much as digits as its factorization.

149504479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 149504479 is about 12227.2024191963. The cubic root of 149504479 is about 530.7435617695.

The spelling of 149504479 in words is "one hundred forty-nine million, five hundred four thousand, four hundred seventy-nine".