149575 has 12 divisors (see below), whose sum is σ = 192448. Its totient is φ = 115200.

The previous prime is 149563. The next prime is 149579. The reversal of 149575 is 575941.

It is not a de Polignac number, because 149575 - 2⁵ = 149543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

149575 is a Rhonda number in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 679 + ... + 871.

2¹⁴⁹⁵⁷⁵ is an apocalyptic number.

149575 is a deficient number, since it is larger than the sum of its proper divisors (42873).

149575 is a wasteful number, since it uses less digits than its factorization.

149575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 229 counting only the distinct ones).

The product of its digits is 6300, while the sum is 31.

The square root of 149575 is about 386.7492727854. The cubic root of 149575 is about 53.0826998920.

The spelling of 149575 in words is "one hundred forty-nine thousand, five hundred seventy-five".