45216146 has 16 divisors (see below), whose sum is σ = 69845976. Its totient is φ = 21937536.

The previous prime is 45216131. The next prime is 45216151. The reversal of 45216146 is 64161254.

45216146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 34093921 + 11122225 = 5839^2 + 3335^2 .

It is a super-3 number, since 3×45216146³ (a number of 24 digits) contains 333 as substring.

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, 40670 + ... + 41766.

Almost surely, 2^45216146 is an apocalyptic number.

45216146 is a deficient number, since it is larger than the sum of its proper divisors (24629830).

45216146 is a wasteful number, since it uses less digits than its factorization.

45216146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693.

The product of its digits is 5760, while the sum is 29.

The square root of 45216146 is about 6724.2952047036. The cubic root of 45216146 is about 356.2579086784.

The spelling of 45216146 in words is "forty-five million, two hundred sixteen thousand, one hundred forty-six".