1445012057 has 2 divisors, whose sum is σ = 1445012058. Its totient is φ = 1445012056.

The previous prime is 1445012003. The next prime is 1445012081. The reversal of 1445012057 is 7502105441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 872079961 + 572932096 = 29531^2 + 23936^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445012057 - 2⁶ = 1445011993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1445012357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722506028 + 722506029.

It is an arithmetic number, because the mean of its divisors is an integer number (722506029).

Almost surely, 2^1445012057 is an apocalyptic number.

It is an amenable number.

1445012057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445012057 is an equidigital number, since it uses as much as digits as its factorization.

1445012057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 1445012057 is about 38013.3142069986. The cubic root of 1445012057 is about 1130.5518637312.

Adding to 1445012057 its reverse (7502105441), we get a palindrome (8947117498).

The spelling of 1445012057 in words is "one billion, four hundred forty-five million, twelve thousand, fifty-seven".