1245164464 has 20 divisors (see below), whose sum is σ = 2413247080. Its totient is φ = 622391040.

The previous prime is 1245164419. The next prime is 1245164477. The reversal of 1245164464 is 4644615421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52219 + ... + 72229.

It is an arithmetic number, because the mean of its divisors is an integer number (120662354).

Almost surely, 2^1245164464 is an apocalyptic number.

It is an amenable number.

1245164464 is a deficient number, since it is larger than the sum of its proper divisors (1168082616).

1245164464 is a wasteful number, since it uses less digits than its factorization.

1245164464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23908 (or 23902 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 1245164464 is about 35286.8879897335. The cubic root of 1245164464 is about 1075.8265038140.

Adding to 1245164464 its reverse (4644615421), we get a palindrome (5889779885).

The spelling of 1245164464 in words is "one billion, two hundred forty-five million, one hundred sixty-four thousand, four hundred sixty-four".