245149944 has 32 divisors (see below), whose sum is σ = 660019920. Its totient is φ = 75430656.

The previous prime is 245149937. The next prime is 245149967. The reversal of 245149944 is 449941542.

It is a junction number, because it is equal to n+sod(n) for n = 245149896 and 245149905.

It is a congruent number.

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, 392557 + ... + 393180.

Almost surely, 2^245149944 is an apocalyptic number.

245149944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

245149944 is an abundant number, since it is smaller than the sum of its proper divisors (414869976).

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

245149944 is a wasteful number, since it uses less digits than its factorization.

245149944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785759 (or 785755 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 245149944 is about 15657.2648952491. The cubic root of 245149944 is about 625.8601013647.

The spelling of 245149944 in words is "two hundred forty-five million, one hundred forty-nine thousand, nine hundred forty-four".