245363904 has 112 divisors (see below), whose sum is σ = 730646240. Its totient is φ = 81741312.

The previous prime is 245363887. The next prime is 245363933. The reversal of 245363904 is 409363542.

It is a super-2 number, since 2×245363904² = 120406890772242432, which contains 22 as substring.

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

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, 139092 + ... + 140844.

Almost surely, 2^245363904 is an apocalyptic number.

245363904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245363904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365323120).

245363904 is an abundant number, since it is smaller than the sum of its proper divisors (485282336).

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

245363904 is an frugal number, since it uses more digits than its factorization.

245363904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786 (or 1758 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 245363904 is about 15664.0960160489. The cubic root of 245363904 is about 626.0421261379.

The spelling of 245363904 in words is "two hundred forty-five million, three hundred sixty-three thousand, nine hundred four".