245707642 has 8 divisors (see below), whose sum is σ = 368694432. Its totient is φ = 122809500.

The previous prime is 245707619. The next prime is 245707663. The reversal of 245707642 is 246707542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14734 + ... + 26617.

It is an arithmetic number, because the mean of its divisors is an integer number (46086804).

Almost surely, 2^245707642 is an apocalyptic number.

245707642 is a deficient number, since it is larger than the sum of its proper divisors (122986790).

245707642 is a wasteful number, since it uses less digits than its factorization.

245707642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44324.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 245707642 is about 15675.0643379860. The cubic root of 245707642 is about 626.3343370840.

The spelling of 245707642 in words is "two hundred forty-five million, seven hundred seven thousand, six hundred forty-two".