245042430 has 32 divisors (see below), whose sum is σ = 619056000. Its totient is φ = 61905312.

The previous prime is 245042419. The next prime is 245042461. The reversal of 245042430 is 34240542.

It is a self number, because there is not a number n which added to its sum of digits gives 245042430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214380 + ... + 215519.

It is an arithmetic number, because the mean of its divisors is an integer number (19345500).

Almost surely, 2^245042430 is an apocalyptic number.

245042430 is an abundant number, since it is smaller than the sum of its proper divisors (374013570).

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

245042430 is a wasteful number, since it uses less digits than its factorization.

245042430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429928.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 245042430 is about 15653.8311604540. The cubic root of 245042430 is about 625.7685946987.

Adding to 245042430 its reverse (34240542), we get a palindrome (279282972).

The spelling of 245042430 in words is "two hundred forty-five million, forty-two thousand, four hundred thirty".