245645294 has 8 divisors (see below), whose sum is σ = 378426648. Its totient is φ = 119503080.

The previous prime is 245645293. The next prime is 245645297. The reversal of 245645294 is 492546542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×245645294² = 120683220928692872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245645293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659692 + ... + 1659839.

It is an arithmetic number, because the mean of its divisors is an integer number (47303331).

Almost surely, 2^245645294 is an apocalyptic number.

245645294 is a deficient number, since it is larger than the sum of its proper divisors (132781354).

245645294 is a wasteful number, since it uses less digits than its factorization.

245645294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319570.

The product of its digits is 345600, while the sum is 41.

The square root of 245645294 is about 15673.0754480415. The cubic root of 245645294 is about 626.2813554233.

The spelling of 245645294 in words is "two hundred forty-five million, six hundred forty-five thousand, two hundred ninety-four".