245157450 has 48 divisors (see below), whose sum is σ = 622835136. Its totient is φ = 63779200.

The previous prime is 245157443. The next prime is 245157487. The reversal of 245157450 is 54751542.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13782 + ... + 26081.

It is an arithmetic number, because the mean of its divisors is an integer number (12975732).

Almost surely, 2^245157450 is an apocalyptic number.

245157450 is an abundant number, since it is smaller than the sum of its proper divisors (377677686).

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

245157450 is a wasteful number, since it uses less digits than its factorization.

245157450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39919 (or 39914 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 245157450 is about 15657.5045904512. The cubic root of 245157450 is about 625.8664888269.

The spelling of 245157450 in words is "two hundred forty-five million, one hundred fifty-seven thousand, four hundred fifty".