149642175 has 48 divisors (see below), whose sum is σ = 258733440. Its totient is φ = 76218240.

The previous prime is 149642173. The next prime is 149642179. The reversal of 149642175 is 571246941.

It is not a de Polignac number, because 149642175 - 2¹ = 149642173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149642173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232404 + ... + 233046.

It is an arithmetic number, because the mean of its divisors is an integer number (5390280).

Almost surely, 2^149642175 is an apocalyptic number.

149642175 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149642175 is a deficient number, since it is larger than the sum of its proper divisors (109091265).

149642175 is a wasteful number, since it uses less digits than its factorization.

149642175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 787 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 149642175 is about 12232.8318471235. The cubic root of 149642175 is about 530.9064528550.

The spelling of 149642175 in words is "one hundred forty-nine million, six hundred forty-two thousand, one hundred seventy-five".