149475459 has 64 divisors (see below), whose sum is σ = 250675200. Its totient is φ = 77362560.

The previous prime is 149475433. The next prime is 149475481. The reversal of 149475459 is 954574941.

It is a happy number.

It is not a de Polignac number, because 149475459 - 2¹³ = 149467267 is a prime.

Its product of digits (907200) is a multiple of the sum of its prime divisors (280).

It is not an unprimeable number, because it can be changed into a prime (149475409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1003117 + ... + 1003265.

It is an arithmetic number, because the mean of its divisors is an integer number (3916800).

Almost surely, 2^149475459 is an apocalyptic number.

149475459 is a deficient number, since it is larger than the sum of its proper divisors (101199741).

149475459 is a wasteful number, since it uses less digits than its factorization.

149475459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280.

The product of its digits is 907200, while the sum is 48.

The square root of 149475459 is about 12226.0156633304. The cubic root of 149475459 is about 530.7092190418.

The spelling of 149475459 in words is "one hundred forty-nine million, four hundred seventy-five thousand, four hundred fifty-nine".