61318045 has 8 divisors (see below), whose sum is σ = 73876320. Its totient is φ = 48858000.

The previous prime is 61318039. The next prime is 61318057. The reversal of 61318045 is 54081316.

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

It is not a de Polignac number, because 61318045 - 2⁹ = 61317533 is a prime.

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, 23175 + ... + 25684.

It is an arithmetic number, because the mean of its divisors is an integer number (9234540).

Almost surely, 2^61318045 is an apocalyptic number.

It is an amenable number.

61318045 is a deficient number, since it is larger than the sum of its proper divisors (12558275).

61318045 is a wasteful number, since it uses less digits than its factorization.

61318045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49115.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 61318045 is about 7830.5839501279. The cubic root of 61318045 is about 394.3326765846.

The spelling of 61318045 in words is "sixty-one million, three hundred eighteen thousand, forty-five".