1245505164 has 24 divisors (see below), whose sum is σ = 2922240048. Its totient is φ = 412873920.

The previous prime is 1245505159. The next prime is 1245505181. The reversal of 1245505164 is 4615055421.

It is a super-2 number, since 2×1245505164² = 3102566227101333792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284547 + ... + 288890.

It is an arithmetic number, because the mean of its divisors is an integer number (121760002).

Almost surely, 2^1245505164 is an apocalyptic number.

It is an amenable number.

1245505164 is an abundant number, since it is smaller than the sum of its proper divisors (1676734884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1245505164 is a wasteful number, since it uses less digits than its factorization.

1245505164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573625 (or 573623 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 1245505164 is about 35291.7152317651. The cubic root of 1245505164 is about 1075.9246168680.

The spelling of 1245505164 in words is "one billion, two hundred forty-five million, five hundred five thousand, one hundred sixty-four".