45451797 has 8 divisors (see below), whose sum is σ = 62557440. Its totient is φ = 29323680.

The previous prime is 45451753. The next prime is 45451843. The reversal of 45451797 is 79715454.

It is a happy number.

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

It is not a de Polignac number, because 45451797 - 2⁶ = 45451733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45451297) 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, 244272 + ... + 244457.

It is an arithmetic number, because the mean of its divisors is an integer number (7819680).

Almost surely, 2^45451797 is an apocalyptic number.

It is an amenable number.

45451797 is a deficient number, since it is larger than the sum of its proper divisors (17105643).

45451797 is a wasteful number, since it uses less digits than its factorization.

45451797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488763.

The product of its digits is 176400, while the sum is 42.

The square root of 45451797 is about 6741.7947907067. The cubic root of 45451797 is about 356.8757345125.

The spelling of 45451797 in words is "forty-five million, four hundred fifty-one thousand, seven hundred ninety-seven".