146991875 has 20 divisors (see below), whose sum is σ = 184609656. Its totient is φ = 117000000.

The previous prime is 146991857. The next prime is 146991893. The reversal of 146991875 is 578199641.

It is an interprime number because it is at equal distance from previous prime (146991857) and next prime (146991893).

It is not a de Polignac number, because 146991875 - 2⁶ = 146991811 is a prime.

It is a super-2 number, since 2×146991875² = 43213222632031250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 156407 + ... + 157343.

Almost surely, 2^146991875 is an apocalyptic number.

146991875 is a deficient number, since it is larger than the sum of its proper divisors (37617781).

146991875 is an frugal number, since it uses more digits than its factorization.

146991875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208 (or 1193 counting only the distinct ones).

The product of its digits is 544320, while the sum is 50.

The square root of 146991875 is about 12124.0205789994. The cubic root of 146991875 is about 527.7534850827.

The spelling of 146991875 in words is "one hundred forty-six million, nine hundred ninety-one thousand, eight hundred seventy-five".