245616492 has 24 divisors (see below), whose sum is σ = 625205952. Its totient is φ = 74429200.

The previous prime is 245616491. The next prime is 245616499. The reversal of 245616492 is 294616542.

It is a happy number.

It is a super-2 number, since 2×245616492² = 120654922284772128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245616492.

It is not an unprimeable number, because it can be changed into a prime (245616491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930234 + ... + 930497.

It is an arithmetic number, because the mean of its divisors is an integer number (26050248).

Almost surely, 2^245616492 is an apocalyptic number.

245616492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

245616492 is an abundant number, since it is smaller than the sum of its proper divisors (379589460).

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

245616492 is a wasteful number, since it uses less digits than its factorization.

245616492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860749 (or 1860747 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 245616492 is about 15672.1565842101. The cubic root of 245616492 is about 626.2568772278.

Subtracting 245616492 from its reverse (294616542), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 245616492 in words is "two hundred forty-five million, six hundred sixteen thousand, four hundred ninety-two".