245515156 has 24 divisors (see below), whose sum is σ = 474707520. Its totient is φ = 110512512.

The previous prime is 245515121. The next prime is 245515163. The reversal of 245515156 is 651515542.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 76926 + ... + 80053.

It is an arithmetic number, because the mean of its divisors is an integer number (19779480).

Almost surely, 2^245515156 is an apocalyptic number.

It is an amenable number.

245515156 is a deficient number, since it is larger than the sum of its proper divisors (229192364).

245515156 is a wasteful number, since it uses less digits than its factorization.

245515156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157023 (or 157021 counting only the distinct ones).

The product of its digits is 30000, while the sum is 34.

The square root of 245515156 is about 15668.9232559229. The cubic root of 245515156 is about 626.1707387440.

The spelling of 245515156 in words is "two hundred forty-five million, five hundred fifteen thousand, one hundred fifty-six".