245906490 has 16 divisors (see below), whose sum is σ = 590175648. Its totient is φ = 65575056.

The previous prime is 245906483. The next prime is 245906503. The reversal of 245906490 is 94609542.

245906490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4098412 + ... + 4098471.

It is an arithmetic number, because the mean of its divisors is an integer number (36885978).

Almost surely, 2^245906490 is an apocalyptic number.

245906490 is an abundant number, since it is smaller than the sum of its proper divisors (344269158).

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

245906490 is a wasteful number, since it uses less digits than its factorization.

245906490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8196893.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 245906490 is about 15681.4058680974. The cubic root of 245906490 is about 626.5032529369.

The spelling of 245906490 in words is "two hundred forty-five million, nine hundred six thousand, four hundred ninety".