45515785 has 8 divisors (see below), whose sum is σ = 62421696. Its totient is φ = 31210800.

The previous prime is 45515777. The next prime is 45515791. The reversal of 45515785 is 58751554.

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 45515785 - 2³ = 45515777 is a prime.

It is a super-3 number, since 3×45515785³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650191 + ... + 650260.

It is an arithmetic number, because the mean of its divisors is an integer number (7802712).

Almost surely, 2^45515785 is an apocalyptic number.

It is an amenable number.

45515785 is a deficient number, since it is larger than the sum of its proper divisors (16905911).

45515785 is a wasteful number, since it uses less digits than its factorization.

45515785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300463.

The product of its digits is 140000, while the sum is 40.

The square root of 45515785 is about 6746.5387421996. The cubic root of 45515785 is about 357.0431283829.

The spelling of 45515785 in words is "forty-five million, five hundred fifteen thousand, seven hundred eighty-five".