245451456 has 42 divisors (see below), whose sum is σ = 703543932. Its totient is φ = 81816960.

The previous prime is 245451449. The next prime is 245451487. The reversal of 245451456 is 654154542.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 245451456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212490 + ... + 213641.

It is an arithmetic number, because the mean of its divisors is an integer number (16751046).

Almost surely, 2^245451456 is an apocalyptic number.

It is an amenable number.

245451456 is an abundant number, since it is smaller than the sum of its proper divisors (458092476).

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

245451456 is a wasteful number, since it uses less digits than its factorization.

245451456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426149 (or 426136 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 245451456 is about 15666.8904381182. The cubic root of 245451456 is about 626.1165797980.

The spelling of 245451456 in words is "two hundred forty-five million, four hundred fifty-one thousand, four hundred fifty-six".