149585403 has 12 divisors (see below), whose sum is σ = 219227624. Its totient is φ = 90657600.

The previous prime is 149585389. The next prime is 149585411. The reversal of 149585403 is 304585941.

It is not a de Polignac number, because 149585403 - 2⁸ = 149585147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149585453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205678 + ... + 206403.

Almost surely, 2^149585403 is an apocalyptic number.

149585403 is a deficient number, since it is larger than the sum of its proper divisors (69642221).

149585403 is a wasteful number, since it uses less digits than its factorization.

149585403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412106 (or 412095 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 149585403 is about 12230.5111503976. The cubic root of 149585403 is about 530.8393050437.

The spelling of 149585403 in words is "one hundred forty-nine million, five hundred eighty-five thousand, four hundred three".