45445078 has 8 divisors (see below), whose sum is σ = 77905872. Its totient is φ = 19476456.

The previous prime is 45445069. The next prime is 45445087. The reversal of 45445078 is 87054454.

It is an interprime number because it is at equal distance from previous prime (45445069) and next prime (45445087).

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

It is a super-2 number, since 2×45445078² = 4130510228852168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1623025 + ... + 1623052.

It is an arithmetic number, because the mean of its divisors is an integer number (9738234).

Almost surely, 2^45445078 is an apocalyptic number.

45445078 is a deficient number, since it is larger than the sum of its proper divisors (32460794).

45445078 is a wasteful number, since it uses less digits than its factorization.

45445078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246086.

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 45445078 is about 6741.2964628475. The cubic root of 45445078 is about 356.8581483634.

The spelling of 45445078 in words is "forty-five million, four hundred forty-five thousand, seventy-eight".