245874164450 has 24 divisors (see below), whose sum is σ = 457368957540. Its totient is φ = 98340416000.

The previous prime is 245874164441. The next prime is 245874164453. The reversal of 245874164450 is 54461478542.

It is a Cunningham number, because it is equal to 495857²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 1 + 245874164449 = 1^2 + 495857^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (245874164453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318650 + ... + 770250.

Almost surely, 2^245874164450 is an apocalyptic number.

245874164450 is a deficient number, since it is larger than the sum of its proper divisors (211494793090).

245874164450 is a wasteful number, since it uses less digits than its factorization.

245874164450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462502 (or 462497 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 50.

The spelling of 245874164450 in words is "two hundred forty-five billion, eight hundred seventy-four million, one hundred sixty-four thousand, four hundred fifty".