45231497 has 2 divisors, whose sum is σ = 45231498. Its totient is φ = 45231496.

The previous prime is 45231479. The next prime is 45231521. The reversal of 45231497 is 79413254.

Together with previous prime (45231479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45212176 + 19321 = 6724^2 + 139^2 .

It is a cyclic number.

It is not a de Polignac number, because 45231497 - 2¹² = 45227401 is a prime.

It is a super-2 number, since 2×45231497² = 4091776641722018, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45231997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22615748 + 22615749.

It is an arithmetic number, because the mean of its divisors is an integer number (22615749).

Almost surely, 2^45231497 is an apocalyptic number.

It is an amenable number.

45231497 is a deficient number, since it is larger than the sum of its proper divisors (1).

45231497 is an equidigital number, since it uses as much as digits as its factorization.

45231497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 45231497 is about 6725.4365657554. The cubic root of 45231497 is about 356.2982209478.

The spelling of 45231497 in words is "forty-five million, two hundred thirty-one thousand, four hundred ninety-seven".