245513746 has 16 divisors (see below), whose sum is σ = 382006944. Its totient is φ = 118256544.

The previous prime is 245513743. The next prime is 245513773. The reversal of 245513746 is 647315542.

It is not an unprimeable number, because it can be changed into a prime (245513743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13276 + ... + 25831.

It is an arithmetic number, because the mean of its divisors is an integer number (23875434).

Almost surely, 2^245513746 is an apocalyptic number.

245513746 is a deficient number, since it is larger than the sum of its proper divisors (136493198).

245513746 is a wasteful number, since it uses less digits than its factorization.

245513746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39225.

The product of its digits is 100800, while the sum is 37.

The square root of 245513746 is about 15668.8782623390. The cubic root of 245513746 is about 626.1695400367.

The spelling of 245513746 in words is "two hundred forty-five million, five hundred thirteen thousand, seven hundred forty-six".