149255475 has 24 divisors (see below), whose sum is σ = 247268400. Its totient is φ = 79441920.

The previous prime is 149255459. The next prime is 149255527. The reversal of 149255475 is 574552941.

It is not a de Polignac number, because 149255475 - 2⁴ = 149255459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41551 + ... + 44999.

It is an arithmetic number, because the mean of its divisors is an integer number (10302850).

Almost surely, 2^149255475 is an apocalyptic number.

149255475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149255475 is a deficient number, since it is larger than the sum of its proper divisors (98012925).

149255475 is a wasteful number, since it uses less digits than its factorization.

149255475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039 (or 4034 counting only the distinct ones).

The product of its digits is 252000, while the sum is 42.

The square root of 149255475 is about 12217.0157976488. The cubic root of 149255475 is about 530.4487418210.

The spelling of 149255475 in words is "one hundred forty-nine million, two hundred fifty-five thousand, four hundred seventy-five".