45468181 has 8 divisors (see below), whose sum is σ = 49652928. Its totient is φ = 41292000.

The previous prime is 45468169. The next prime is 45468209. The reversal of 45468181 is 18186454.

45468181 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 not a de Polignac number, because 45468181 - 2¹⁵ = 45435413 is a prime.

It is a super-2 number, since 2×45468181² = 4134710966897522, which contains 22 as substring.

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 45468181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45468161) 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, 14896 + ... + 17686.

It is an arithmetic number, because the mean of its divisors is an integer number (6206616).

Almost surely, 2^45468181 is an apocalyptic number.

It is an amenable number.

45468181 is a deficient number, since it is larger than the sum of its proper divisors (4184747).

45468181 is a wasteful number, since it uses less digits than its factorization.

45468181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283.

The product of its digits is 30720, while the sum is 37.

The square root of 45468181 is about 6743.0097879211. The cubic root of 45468181 is about 356.9186103355.

It can be divided in two parts, 454 and 68181, that added together give a triangular number (68635 = T₃₇₀).

The spelling of 45468181 in words is "forty-five million, four hundred sixty-eight thousand, one hundred eighty-one".