1442464057 has 2 divisors, whose sum is σ = 1442464058. Its totient is φ = 1442464056.

The previous prime is 1442464039. The next prime is 1442464061. The reversal of 1442464057 is 7504642441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1403326521 + 39137536 = 37461^2 + 6256^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442464057 - 2²³ = 1434075449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442464027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721232028 + 721232029.

It is an arithmetic number, because the mean of its divisors is an integer number (721232029).

Almost surely, 2^1442464057 is an apocalyptic number.

It is an amenable number.

1442464057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442464057 is an equidigital number, since it uses as much as digits as its factorization.

1442464057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 37.

The square root of 1442464057 is about 37979.7848466786. The cubic root of 1442464057 is about 1129.8869694027.

The spelling of 1442464057 in words is "one billion, four hundred forty-two million, four hundred sixty-four thousand, fifty-seven".