245694624 has 144 divisors (see below), whose sum is σ = 790020000. Its totient is φ = 66479616.

The previous prime is 245694619. The next prime is 245694637. The reversal of 245694624 is 426496542.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88002 + ... + 90750.

It is an arithmetic number, because the mean of its divisors is an integer number (5486250).

Almost surely, 2^245694624 is an apocalyptic number.

245694624 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 245694624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395010000).

245694624 is an abundant number, since it is smaller than the sum of its proper divisors (544325376).

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

245694624 is a wasteful number, since it uses less digits than its factorization.

245694624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795 (or 2780 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 245694624 is about 15674.6490869812. The cubic root of 245694624 is about 626.3232754766.

The spelling of 245694624 in words is "two hundred forty-five million, six hundred ninety-four thousand, six hundred twenty-four".