152177231 has 2 divisors, whose sum is σ = 152177232. Its totient is φ = 152177230.

The previous prime is 152177191. The next prime is 152177279. The reversal of 152177231 is 132771251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 152177231 - 2²² = 147982927 is a prime.

It is a super-2 number, since 2×152177231² = 46315819269654722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 152177194 and 152177203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152137231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76088615 + 76088616.

It is an arithmetic number, because the mean of its divisors is an integer number (76088616).

Almost surely, 2^152177231 is an apocalyptic number.

152177231 is a deficient number, since it is larger than the sum of its proper divisors (1).

152177231 is an equidigital number, since it uses as much as digits as its factorization.

152177231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2940, while the sum is 29.

The square root of 152177231 is about 12336.0135781378. The cubic root of 152177231 is about 533.8876717633.

The spelling of 152177231 in words is "one hundred fifty-two million, one hundred seventy-seven thousand, two hundred thirty-one".