245430544 has 20 divisors (see below), whose sum is σ = 477502300. Its totient is φ = 122204160.

The previous prime is 245430533. The next prime is 245430557. The reversal of 245430544 is 445034542.

It can be written as a sum of positive squares in 2 ways, for example, as 116380944 + 129049600 = 10788^2 + 11360^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27969 + ... + 35680.

It is an arithmetic number, because the mean of its divisors is an integer number (23875115).

Almost surely, 2^245430544 is an apocalyptic number.

It is an amenable number.

245430544 is a deficient number, since it is larger than the sum of its proper divisors (232071756).

245430544 is a wasteful number, since it uses less digits than its factorization.

245430544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63898 (or 63892 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 245430544 is about 15666.2230291797. The cubic root of 245430544 is about 626.0987979767.

The spelling of 245430544 in words is "two hundred forty-five million, four hundred thirty thousand, five hundred forty-four".