451232232137 has 2 divisors, whose sum is σ = 451232232138. Its totient is φ = 451232232136.

The previous prime is 451232232133. The next prime is 451232232179. The reversal of 451232232137 is 731232232154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 451125812281 + 106419856 = 671659^2 + 10316^2 .

It is a cyclic number.

It is not a de Polignac number, because 451232232137 - 2² = 451232232133 is a prime.

It is a super-2 number, since 2×451232232137² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 451232232097 and 451232232106.

It is not a weakly prime, because it can be changed into another prime (451232232133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225616116068 + 225616116069.

It is an arithmetic number, because the mean of its divisors is an integer number (225616116069).

Almost surely, 2^451232232137 is an apocalyptic number.

It is an amenable number.

451232232137 is a deficient number, since it is larger than the sum of its proper divisors (1).

451232232137 is an equidigital number, since it uses as much as digits as its factorization.

451232232137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 35.

The spelling of 451232232137 in words is "four hundred fifty-one billion, two hundred thirty-two million, two hundred thirty-two thousand, one hundred thirty-seven".