245474854 has 4 divisors (see below), whose sum is σ = 368212284. Its totient is φ = 122737426.

The previous prime is 245474809. The next prime is 245474857. The reversal of 245474854 is 458474542.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 245474854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245474857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61368712 + ... + 61368715.

It is an arithmetic number, because the mean of its divisors is an integer number (92053071).

Almost surely, 2^245474854 is an apocalyptic number.

245474854 is a deficient number, since it is larger than the sum of its proper divisors (122737430).

245474854 is a wasteful number, since it uses less digits than its factorization.

245474854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122737429.

The product of its digits is 716800, while the sum is 43.

The square root of 245474854 is about 15667.6371543382. The cubic root of 245474854 is about 626.1364743093.

The spelling of 245474854 in words is "two hundred forty-five million, four hundred seventy-four thousand, eight hundred fifty-four".