245690674 has 4 divisors (see below), whose sum is σ = 368536014. Its totient is φ = 122845336.

The previous prime is 245690671. The next prime is 245690677. The reversal of 245690674 is 476096542.

It is a happy number.

245690674 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (245690671) and next prime (245690677).

It can be written as a sum of positive squares in only one way, i.e., 239475625 + 6215049 = 15475^2 + 2493^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 245690674.

It is not an unprimeable number, because it can be changed into a prime (245690671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61422667 + ... + 61422670.

Almost surely, 2^245690674 is an apocalyptic number.

245690674 is a deficient number, since it is larger than the sum of its proper divisors (122845340).

245690674 is a wasteful number, since it uses less digits than its factorization.

245690674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122845339.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 245690674 is about 15674.5230868438. The cubic root of 245690674 is about 626.3199190198.

The spelling of 245690674 in words is "two hundred forty-five million, six hundred ninety thousand, six hundred seventy-four".