45551845 has 8 divisors (see below), whose sum is σ = 57038976. Its totient is φ = 34856976.

The previous prime is 45551839. The next prime is 45551851. The reversal of 45551845 is 54815554.

45551845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45551839) and next prime (45551851).

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 45551845 - 2⁵ = 45551813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 197937 + ... + 198166.

It is an arithmetic number, because the mean of its divisors is an integer number (7129872).

Almost surely, 2^45551845 is an apocalyptic number.

It is an amenable number.

45551845 is a deficient number, since it is larger than the sum of its proper divisors (11487131).

45551845 is a wasteful number, since it uses less digits than its factorization.

45551845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396131.

The product of its digits is 80000, while the sum is 37.

The square root of 45551845 is about 6749.2106945924. The cubic root of 45551845 is about 357.1373929450.

It can be divided in two parts, 4555 and 1845, that added together give a square (6400 = 80²).

The spelling of 45551845 in words is "forty-five million, five hundred fifty-one thousand, eight hundred forty-five".