45421074 has 28 divisors (see below), whose sum is σ = 102153966. Its totient is φ = 15139872.

The previous prime is 45421073. The next prime is 45421081. The reversal of 45421074 is 47012454.

It can be written as a sum of positive squares in only one way, i.e., 42341049 + 3080025 = 6507^2 + 1755^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45421073) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 14119 + ... + 17034.

Almost surely, 2^45421074 is an apocalyptic number.

45421074 is an abundant number, since it is smaller than the sum of its proper divisors (56732892).

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

45421074 is an equidigital number, since it uses as much as digits as its factorization.

45421074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31173 (or 31158 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 45421074 is about 6739.5158579827. The cubic root of 45421074 is about 356.7953067093.

It can be divided in two parts, 454 and 21074, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 45421074 in words is "forty-five million, four hundred twenty-one thousand, seventy-four".