245447630 has 16 divisors (see below), whose sum is σ = 451206720. Its totient is φ = 96089952.

The previous prime is 245447627. The next prime is 245447633. The reversal of 245447630 is 36744542.

It is an interprime number because it is at equal distance from previous prime (245447627) and next prime (245447633).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245447633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260645 + ... + 261584.

It is an arithmetic number, because the mean of its divisors is an integer number (28200420).

Almost surely, 2^245447630 is an apocalyptic number.

245447630 is a deficient number, since it is larger than the sum of its proper divisors (205759090).

245447630 is a wasteful number, since it uses less digits than its factorization.

245447630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522283.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 245447630 is about 15666.7683330035. The cubic root of 245447630 is about 626.1133265621.

The spelling of 245447630 in words is "two hundred forty-five million, four hundred forty-seven thousand, six hundred thirty".