45442450 has 12 divisors (see below), whose sum is σ = 84523050. Its totient is φ = 18176960.

The previous prime is 45442399. The next prime is 45442469. The reversal of 45442450 is 5424454.

45442450 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 3 ways, for example, as 41744521 + 3697929 = 6461^2 + 1923^2 .

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 5 ways as a sum of consecutive naturals, for example, 454375 + ... + 454474.

Almost surely, 2^45442450 is an apocalyptic number.

45442450 is a deficient number, since it is larger than the sum of its proper divisors (39080600).

45442450 is a wasteful number, since it uses less digits than its factorization.

45442450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908861 (or 908856 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 45442450 is about 6741.1015420330. The cubic root of 45442450 is about 356.8512694279.

The spelling of 45442450 in words is "forty-five million, four hundred forty-two thousand, four hundred fifty".