149124499 has 2 divisors, whose sum is σ = 149124500. Its totient is φ = 149124498.

The previous prime is 149124491. The next prime is 149124551. The reversal of 149124499 is 994421941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149124499 - 2³ = 149124491 is a prime.

It is not a weakly prime, because it can be changed into another prime (149124491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74562249 + 74562250.

It is an arithmetic number, because the mean of its divisors is an integer number (74562250).

Almost surely, 2^149124499 is an apocalyptic number.

149124499 is a deficient number, since it is larger than the sum of its proper divisors (1).

149124499 is an equidigital number, since it uses as much as digits as its factorization.

149124499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 43.

The square root of 149124499 is about 12211.6542286457. The cubic root of 149124499 is about 530.2935350372.

The spelling of 149124499 in words is "one hundred forty-nine million, one hundred twenty-four thousand, four hundred ninety-nine".