149092489 has 16 divisors (see below), whose sum is σ = 185194240. Its totient is φ = 116873280.

The previous prime is 149092477. The next prime is 149092553. The reversal of 149092489 is 984290941.

It is a cyclic number.

It is not a de Polignac number, because 149092489 - 2⁵ = 149092457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149092439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2404 + ... + 17434.

It is an arithmetic number, because the mean of its divisors is an integer number (11574640).

Almost surely, 2^149092489 is an apocalyptic number.

It is an amenable number.

149092489 is a deficient number, since it is larger than the sum of its proper divisors (36101751).

149092489 is a wasteful number, since it uses less digits than its factorization.

149092489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15160.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 149092489 is about 12210.3435250610. The cubic root of 149092489 is about 530.2555893143.

The spelling of 149092489 in words is "one hundred forty-nine million, ninety-two thousand, four hundred eighty-nine".