149289475 has 12 divisors (see below), whose sum is σ = 186455080. Its totient is φ = 118569600.

The previous prime is 149289473. The next prime is 149289523. The reversal of 149289475 is 574982941.

149289475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149289475 - 2¹ = 149289473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149289473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18006 + ... + 24955.

Almost surely, 2^149289475 is an apocalyptic number.

149289475 is a deficient number, since it is larger than the sum of its proper divisors (37165605).

149289475 is a wasteful number, since it uses less digits than its factorization.

149289475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43110 (or 43105 counting only the distinct ones).

The product of its digits is 725760, while the sum is 49.

The square root of 149289475 is about 12218.4072202558. The cubic root of 149289475 is about 530.4890170336.

The spelling of 149289475 in words is "one hundred forty-nine million, two hundred eighty-nine thousand, four hundred seventy-five".