245044956 has 48 divisors (see below), whose sum is σ = 635629568. Its totient is φ = 72964800.

The previous prime is 245044937. The next prime is 245044973. The reversal of 245044956 is 659440542.

It is a happy number.

It is a super-2 number, since 2×245044956² = 120094060922083872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20500 + ... + 30171.

Almost surely, 2^245044956 is an apocalyptic number.

245044956 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

245044956 is an abundant number, since it is smaller than the sum of its proper divisors (390584612).

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

245044956 is a wasteful number, since it uses less digits than its factorization.

245044956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50722 (or 50720 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 245044956 is about 15653.9118433700. The cubic root of 245044956 is about 625.7707449196.

The spelling of 245044956 in words is "two hundred forty-five million, forty-four thousand, nine hundred fifty-six".