45421064 has 16 divisors (see below), whose sum is σ = 91715820. Its totient is φ = 20963520.

The previous prime is 45421049. The next prime is 45421069. The reversal of 45421064 is 46012454.

It can be written as a sum of positive squares in 2 ways, for example, as 45292900 + 128164 = 6730^2 + 358^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (45421069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218267 + ... + 218474.

Almost surely, 2^45421064 is an apocalyptic number.

It is an amenable number.

45421064 is an abundant number, since it is smaller than the sum of its proper divisors (46294756).

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

45421064 is a wasteful number, since it uses less digits than its factorization.

45421064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436760 (or 436756 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 45421064 is about 6739.5151160896. The cubic root of 45421064 is about 356.7952805250.

The spelling of 45421064 in words is "forty-five million, four hundred twenty-one thousand, sixty-four".