149903476 has 24 divisors (see below), whose sum is σ = 272330240. Its totient is φ = 72122400.

The previous prime is 149903459. The next prime is 149903497. The reversal of 149903476 is 674309941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19105 + ... + 25783.

Almost surely, 2^149903476 is an apocalyptic number.

It is an amenable number.

149903476 is a deficient number, since it is larger than the sum of its proper divisors (122426764).

149903476 is a wasteful number, since it uses less digits than its factorization.

149903476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6895 (or 6893 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 149903476 is about 12243.5075039794. The cubic root of 149903476 is about 531.2152911857.

The spelling of 149903476 in words is "one hundred forty-nine million, nine hundred three thousand, four hundred seventy-six".