245455644 has 48 divisors (see below), whose sum is σ = 675670016. Its totient is φ = 67867200.

The previous prime is 245455631. The next prime is 245455697. The reversal of 245455644 is 446554542.

245455644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 44527 + ... + 49734.

Almost surely, 2^245455644 is an apocalyptic number.

It is an amenable number.

245455644 is an abundant number, since it is smaller than the sum of its proper divisors (430214372).

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

245455644 is a wasteful number, since it uses less digits than its factorization.

245455644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94306 (or 94304 counting only the distinct ones).

The product of its digits is 384000, while the sum is 39.

The square root of 245455644 is about 15667.0240952135. The cubic root of 245455644 is about 626.1201408027.

The spelling of 245455644 in words is "two hundred forty-five million, four hundred fifty-five thousand, six hundred forty-four".