45401646 has 32 divisors (see below), whose sum is σ = 94348800. Its totient is φ = 14547680.

The previous prime is 45401597. The next prime is 45401669. The reversal of 45401646 is 64610454.

45401646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45401646² = 4122618919018632, 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53695 + ... + 54533.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 2^45401646 is an apocalyptic number.

45401646 is an abundant number, since it is smaller than the sum of its proper divisors (48947154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45401646 is a wasteful number, since it uses less digits than its factorization.

45401646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 45401646 is about 6738.0743539976. The cubic root of 45401646 is about 356.7444286538.

The spelling of 45401646 in words is "forty-five million, four hundred one thousand, six hundred forty-six".