245257464 has 32 divisors (see below), whose sum is σ = 639803520. Its totient is φ = 78197856.

The previous prime is 245257459. The next prime is 245257471. The reversal of 245257464 is 464752542.

It is a super-2 number, since 2×245257464² = 120302447295422592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221602 + ... + 222705.

It is an arithmetic number, because the mean of its divisors is an integer number (19993860).

Almost surely, 2^245257464 is an apocalyptic number.

245257464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

245257464 is an abundant number, since it is smaller than the sum of its proper divisors (394546056).

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

245257464 is a wasteful number, since it uses less digits than its factorization.

245257464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444339 (or 444335 counting only the distinct ones).

The product of its digits is 268800, while the sum is 39.

The square root of 245257464 is about 15660.6980687324. The cubic root of 245257464 is about 625.9515863847.

The spelling of 245257464 in words is "two hundred forty-five million, two hundred fifty-seven thousand, four hundred sixty-four".