149078659 has 12 divisors (see below), whose sum is σ = 155692992. Its totient is φ = 142592400.

The previous prime is 149078653. The next prime is 149078669. The reversal of 149078659 is 956870941.

It is not a de Polignac number, because 149078659 - 2⁹ = 149078147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149078653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 823549 + ... + 823729.

It is an arithmetic number, because the mean of its divisors is an integer number (12974416).

Almost surely, 2^149078659 is an apocalyptic number.

149078659 is a deficient number, since it is larger than the sum of its proper divisors (6614333).

149078659 is an equidigital number, since it uses as much as digits as its factorization.

149078659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 149078659 is about 12209.7771887942. Note that the first 3 decimals coincide. The cubic root of 149078659 is about 530.2391930902.

The spelling of 149078659 in words is "one hundred forty-nine million, seventy-eight thousand, six hundred fifty-nine".