245442534 has 24 divisors (see below), whose sum is σ = 504527688. Its totient is φ = 79600320.

The previous prime is 245442521. The next prime is 245442557. The reversal of 245442534 is 435244542.

It is a junction number, because it is equal to n+sod(n) for n = 245442495 and 245442504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6727 + ... + 23154.

It is an arithmetic number, because the mean of its divisors is an integer number (21021987).

Almost surely, 2^245442534 is an apocalyptic number.

245442534 is an abundant number, since it is smaller than the sum of its proper divisors (259085154).

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

245442534 is a wasteful number, since it uses less digits than its factorization.

245442534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29960 (or 29923 counting only the distinct ones).

The product of its digits is 76800, while the sum is 33.

The square root of 245442534 is about 15666.6056949168. The cubic root of 245442534 is about 626.1089933966.

The spelling of 245442534 in words is "two hundred forty-five million, four hundred forty-two thousand, five hundred thirty-four".