149131875 has 20 divisors (see below), whose sum is σ = 248476712. Its totient is φ = 79536000.

The previous prime is 149131861. The next prime is 149131889. The reversal of 149131875 is 578131941.

It is an interprime number because it is at equal distance from previous prime (149131861) and next prime (149131889).

It is not a de Polignac number, because 149131875 - 2⁶ = 149131811 is a prime.

It is a super-2 number, since 2×149131875² = 44480632282031250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37894 + ... + 41643.

Almost surely, 2^149131875 is an apocalyptic number.

149131875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149131875 is a deficient number, since it is larger than the sum of its proper divisors (99344837).

149131875 is an frugal number, since it uses more digits than its factorization.

149131875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79560 (or 79545 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 149131875 is about 12211.9562314971. The cubic root of 149131875 is about 530.3022780241.

The spelling of 149131875 in words is "one hundred forty-nine million, one hundred thirty-one thousand, eight hundred seventy-five".