149399175 has 12 divisors (see below), whose sum is σ = 247006760. Its totient is φ = 79679520.

The previous prime is 149399161. The next prime is 149399189. The reversal of 149399175 is 571993941.

It is an interprime number because it is at equal distance from previous prime (149399161) and next prime (149399189).

It is not a de Polignac number, because 149399175 - 2⁵ = 149399143 is a prime.

It is a super-2 number, since 2×149399175² = 44640226981361250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 995920 + ... + 996069.

Almost surely, 2^149399175 is an apocalyptic number.

149399175 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149399175 is a deficient number, since it is larger than the sum of its proper divisors (97607585).

149399175 is a wasteful number, since it uses less digits than its factorization.

149399175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992002 (or 1991997 counting only the distinct ones).

The product of its digits is 306180, while the sum is 48.

The square root of 149399175 is about 12222.8955243837. The cubic root of 149399175 is about 530.6189221433.

The spelling of 149399175 in words is "one hundred forty-nine million, three hundred ninety-nine thousand, one hundred seventy-five".