45717161251 has 8 divisors (see below), whose sum is σ = 45874795824. Its totient is φ = 45559799040.

The previous prime is 45717161221. The next prime is 45717161257. The reversal of 45717161251 is 15216171754.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 45717161251 - 2²¹ = 45715064099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45717161257) 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, 271095 + ... + 406111.

It is an arithmetic number, because the mean of its divisors is an integer number (5734349478).

Almost surely, 2^45717161251 is an apocalyptic number.

45717161251 is a deficient number, since it is larger than the sum of its proper divisors (157634573).

45717161251 is a wasteful number, since it uses less digits than its factorization.

45717161251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136181.

The product of its digits is 58800, while the sum is 40.

The spelling of 45717161251 in words is "forty-five billion, seven hundred seventeen million, one hundred sixty-one thousand, two hundred fifty-one".