45487331 has 8 divisors (see below), whose sum is σ = 46200000. Its totient is φ = 44778240.

The previous prime is 45487297. The next prime is 45487339. The reversal of 45487331 is 13378454.

45487331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-45487331 is a prime.

It is a super-2 number, since 2×45487331² = 4138194563007122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45487291 and 45487300.

It is not an unprimeable number, because it can be changed into a prime (45487339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35795 + ... + 37043.

It is an arithmetic number, because the mean of its divisors is an integer number (5775000).

Almost surely, 2^45487331 is an apocalyptic number.

45487331 is a deficient number, since it is larger than the sum of its proper divisors (712669).

45487331 is a wasteful number, since it uses less digits than its factorization.

45487331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789.

The product of its digits is 40320, while the sum is 35.

The square root of 45487331 is about 6744.4296274778. The cubic root of 45487331 is about 356.9687115410.

The spelling of 45487331 in words is "forty-five million, four hundred eighty-seven thousand, three hundred thirty-one".