45518493 has 8 divisors (see below), whose sum is σ = 61523008. Its totient is φ = 29929824.

The previous prime is 45518489. The next prime is 45518507. The reversal of 45518493 is 39481554.

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

It is not a de Polignac number, because 45518493 - 2² = 45518489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45518413) 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, 103705 + ... + 104142.

It is an arithmetic number, because the mean of its divisors is an integer number (7690376).

Almost surely, 2^45518493 is an apocalyptic number.

It is an amenable number.

45518493 is a deficient number, since it is larger than the sum of its proper divisors (16004515).

45518493 is a wasteful number, since it uses less digits than its factorization.

45518493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207923.

The product of its digits is 86400, while the sum is 39.

The square root of 45518493 is about 6746.7394347196. The cubic root of 45518493 is about 357.0502091031.

The spelling of 45518493 in words is "forty-five million, five hundred eighteen thousand, four hundred ninety-three".