145600457 has 2 divisors, whose sum is σ = 145600458. Its totient is φ = 145600456.

The previous prime is 145600423. The next prime is 145600517. The reversal of 145600457 is 754006541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144264121 + 1336336 = 12011^2 + 1156^2 .

It is a cyclic number.

It is not a de Polignac number, because 145600457 - 2²⁴ = 128823241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145600157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72800228 + 72800229.

It is an arithmetic number, because the mean of its divisors is an integer number (72800229).

Almost surely, 2^145600457 is an apocalyptic number.

It is an amenable number.

145600457 is a deficient number, since it is larger than the sum of its proper divisors (1).

145600457 is an equidigital number, since it uses as much as digits as its factorization.

145600457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 145600457 is about 12066.5014399369. The cubic root of 145600457 is about 526.0829732679.

Adding to 145600457 its reverse (754006541), we get a palindrome (899606998).

The spelling of 145600457 in words is "one hundred forty-five million, six hundred thousand, four hundred fifty-seven".