82441157 has 2 divisors, whose sum is σ = 82441158. Its totient is φ = 82441156.

The previous prime is 82441147. The next prime is 82441187. The reversal of 82441157 is 75114428.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55338721 + 27102436 = 7439^2 + 5206^2 .

It is a cyclic number.

It is not a de Polignac number, because 82441157 - 2⁴ = 82441141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82441147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41220578 + 41220579.

It is an arithmetic number, because the mean of its divisors is an integer number (41220579).

Almost surely, 2^82441157 is an apocalyptic number.

It is an amenable number.

82441157 is a deficient number, since it is larger than the sum of its proper divisors (1).

82441157 is an equidigital number, since it uses as much as digits as its factorization.

82441157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 32.

The square root of 82441157 is about 9079.7112839561. The cubic root of 82441157 is about 435.2258606007.

The spelling of 82441157 in words is "eighty-two million, four hundred forty-one thousand, one hundred fifty-seven".