144515057 has 2 divisors, whose sum is σ = 144515058. Its totient is φ = 144515056.

The previous prime is 144515051. The next prime is 144515069. The reversal of 144515057 is 750515441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131583841 + 12931216 = 11471^2 + 3596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144515057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144515051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72257528 + 72257529.

It is an arithmetic number, because the mean of its divisors is an integer number (72257529).

Almost surely, 2^144515057 is an apocalyptic number.

It is an amenable number.

144515057 is a deficient number, since it is larger than the sum of its proper divisors (1).

144515057 is an equidigital number, since it uses as much as digits as its factorization.

144515057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 144515057 is about 12021.4415524928. The cubic root of 144515057 is about 524.7724571005.

The spelling of 144515057 in words is "one hundred forty-four million, five hundred fifteen thousand, fifty-seven".