45061993 has 8 divisors (see below), whose sum is σ = 46499040. Its totient is φ = 43641120.

The previous prime is 45061949. The next prime is 45061999. The reversal of 45061993 is 39916054.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45061993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45061999) 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, 1746 + ... + 9652.

It is an arithmetic number, because the mean of its divisors is an integer number (5812380).

Almost surely, 2^45061993 is an apocalyptic number.

It is an amenable number.

45061993 is a deficient number, since it is larger than the sum of its proper divisors (1437047).

45061993 is a wasteful number, since it uses less digits than its factorization.

45061993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8087.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 45061993 is about 6712.8230276092. The cubic root of 45061993 is about 355.8525906769.

The spelling of 45061993 in words is "forty-five million, sixty-one thousand, nine hundred ninety-three".