145000057 has 2 divisors, whose sum is σ = 145000058. Its totient is φ = 145000056.

The previous prime is 145000049. The next prime is 145000061. The reversal of 145000057 is 750000541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144504441 + 495616 = 12021^2 + 704^2 .

It is a cyclic number.

It is not a de Polignac number, because 145000057 - 2³ = 145000049 is a prime.

It is not a weakly prime, because it can be changed into another prime (145000657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72500028 + 72500029.

It is an arithmetic number, because the mean of its divisors is an integer number (72500029).

Almost surely, 2^145000057 is an apocalyptic number.

It is an amenable number.

145000057 is a deficient number, since it is larger than the sum of its proper divisors (1).

145000057 is an equidigital number, since it uses as much as digits as its factorization.

145000057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 145000057 is about 12041.5969455882. The cubic root of 145000057 is about 525.3588560894.

Adding to 145000057 its reverse (750000541), we get a palindrome (895000598).

The spelling of 145000057 in words is "one hundred forty-five million, fifty-seven", and thus it is an aban number.