151575131 has 4 divisors (see below), whose sum is σ = 153710064. Its totient is φ = 149440200.

The previous prime is 151575113. The next prime is 151575133. The reversal of 151575131 is 131575151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151575131 is a prime.

It is a super-2 number, since 2×151575131² = 45950040675334322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151575094 and 151575103.

It is not an unprimeable number, because it can be changed into a prime (151575133) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1067360 + ... + 1067501.

It is an arithmetic number, because the mean of its divisors is an integer number (38427516).

Almost surely, 2^151575131 is an apocalyptic number.

151575131 is a deficient number, since it is larger than the sum of its proper divisors (2134933).

151575131 is an equidigital number, since it uses as much as digits as its factorization.

151575131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134932.

The product of its digits is 2625, while the sum is 29.

The square root of 151575131 is about 12311.5852350540. The cubic root of 151575131 is about 533.1826196103.

The spelling of 151575131 in words is "one hundred fifty-one million, five hundred seventy-five thousand, one hundred thirty-one".