245577738 has 16 divisors (see below), whose sum is σ = 561320640. Its totient is φ = 70165056.

The previous prime is 245577737. The next prime is 245577749. The reversal of 245577738 is 837775542.

It is not an unprimeable number, because it can be changed into a prime (245577737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2923503 + ... + 2923586.

It is an arithmetic number, because the mean of its divisors is an integer number (35082540).

Almost surely, 2^245577738 is an apocalyptic number.

245577738 is an abundant number, since it is smaller than the sum of its proper divisors (315742902).

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

245577738 is a wasteful number, since it uses less digits than its factorization.

245577738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5847101.

The product of its digits is 1646400, while the sum is 48.

The square root of 245577738 is about 15670.9201389070. The cubic root of 245577738 is about 626.2239380232.

The spelling of 245577738 in words is "two hundred forty-five million, five hundred seventy-seven thousand, seven hundred thirty-eight".