245688572 has 6 divisors (see below), whose sum is σ = 429955008. Its totient is φ = 122844284.

The previous prime is 245688571. The next prime is 245688577. The reversal of 245688572 is 275886542.

It is a super-2 number, since 2×245688572² = 120725748822798368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245688571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30711068 + ... + 30711075.

It is an arithmetic number, because the mean of its divisors is an integer number (71659168).

Almost surely, 2^245688572 is an apocalyptic number.

It is an amenable number.

245688572 is a deficient number, since it is larger than the sum of its proper divisors (184266436).

245688572 is a wasteful number, since it uses less digits than its factorization.

245688572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61422147 (or 61422145 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 47.

The square root of 245688572 is about 15674.4560352186. The cubic root of 245688572 is about 626.3181328602.

The spelling of 245688572 in words is "two hundred forty-five million, six hundred eighty-eight thousand, five hundred seventy-two".