1456064645 has 24 divisors (see below), whose sum is σ = 2038491000. Its totient is φ = 995524992.

The previous prime is 1456064591. The next prime is 1456064651. The reversal of 1456064645 is 5464606541.

It can be written as a sum of positive squares in 4 ways, for example, as 469979041 + 986085604 = 21679^2 + 31402^2 .

It is not a de Polignac number, because 1456064645 - 2²² = 1451870341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76991 + ... + 94019.

It is an arithmetic number, because the mean of its divisors is an integer number (84937125).

Almost surely, 2^1456064645 is an apocalyptic number.

It is an amenable number.

1456064645 is a deficient number, since it is larger than the sum of its proper divisors (582426355).

1456064645 is a wasteful number, since it uses less digits than its factorization.

1456064645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17397 (or 17390 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The square root of 1456064645 is about 38158.4151269415. The cubic root of 1456064645 is about 1133.4269954792.

The spelling of 1456064645 in words is "one billion, four hundred fifty-six million, sixty-four thousand, six hundred forty-five".