245515044 has 48 divisors (see below), whose sum is σ = 599356800. Its totient is φ = 78118656.

The previous prime is 245515033. The next prime is 245515069. The reversal of 245515044 is 440515542.

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 15 ways as a sum of consecutive naturals, for example, 27009 + ... + 34935.

It is an arithmetic number, because the mean of its divisors is an integer number (12486600).

Almost surely, 2^245515044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245515044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299678400).

245515044 is an abundant number, since it is smaller than the sum of its proper divisors (353841756).

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

245515044 is a wasteful number, since it uses less digits than its factorization.

245515044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8052 (or 8050 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 245515044 is about 15668.9196819691. The cubic root of 245515044 is about 626.1706435277.

The spelling of 245515044 in words is "two hundred forty-five million, five hundred fifteen thousand, forty-four".