149081475 has 24 divisors (see below), whose sum is σ = 246859200. Its totient is φ = 79388320.

The previous prime is 149081441. The next prime is 149081501. The reversal of 149081475 is 574180941.

It is not a de Polignac number, because 149081475 - 2¹³ = 149073283 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 69976 + ... + 72074.

It is an arithmetic number, because the mean of its divisors is an integer number (10285800).

Almost surely, 2^149081475 is an apocalyptic number.

149081475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149081475 is a deficient number, since it is larger than the sum of its proper divisors (97777725).

149081475 is a wasteful number, since it uses less digits than its factorization.

149081475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059 (or 3054 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 149081475 is about 12209.8925056693. The cubic root of 149081475 is about 530.2425316950.

The spelling of 149081475 in words is "one hundred forty-nine million, eighty-one thousand, four hundred seventy-five".