152661031 has 4 divisors (see below), whose sum is σ = 154752352. Its totient is φ = 150569712.

The previous prime is 152661023. The next prime is 152661053. The reversal of 152661031 is 130166251.

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

It is a cyclic number.

It is not a de Polignac number, because 152661031 - 2³ = 152661023 is a prime.

It is a super-2 number, since 2×152661031² = 46610780771965922, 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 = 152660987 and 152661005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152661331) 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, 1045551 + ... + 1045696.

It is an arithmetic number, because the mean of its divisors is an integer number (38688088).

Almost surely, 2^152661031 is an apocalyptic number.

152661031 is a deficient number, since it is larger than the sum of its proper divisors (2091321).

152661031 is an equidigital number, since it uses as much as digits as its factorization.

152661031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091320.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 152661031 is about 12355.6072695760. The cubic root of 152661031 is about 534.4528496455.

The spelling of 152661031 in words is "one hundred fifty-two million, six hundred sixty-one thousand, thirty-one".