45290993 has 8 divisors (see below), whose sum is σ = 49465056. Its totient is φ = 41126400.

The previous prime is 45290963. The next prime is 45291047. The reversal of 45290993 is 39909254.

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 45290993 - 2⁶ = 45290929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45290993.

It is not an unprimeable number, because it can be changed into a prime (45290963) 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, 10898 + ... + 14468.

It is an arithmetic number, because the mean of its divisors is an integer number (6183132).

Almost surely, 2^45290993 is an apocalyptic number.

It is an amenable number.

45290993 is a deficient number, since it is larger than the sum of its proper divisors (4174063).

45290993 is a wasteful number, since it uses less digits than its factorization.

45290993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4735.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 45290993 is about 6729.8583194596. The cubic root of 45290993 is about 356.4543734272.

The spelling of 45290993 in words is "forty-five million, two hundred ninety thousand, nine hundred ninety-three".