45429320 has 16 divisors (see below), whose sum is σ = 102216060. Its totient is φ = 18171712.

The previous prime is 45429317. The next prime is 45429343. The reversal of 45429320 is 2392454.

It can be written as a sum of positive squares in 2 ways, for example, as 45185284 + 244036 = 6722^2 + 494^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567827 + ... + 567906.

Almost surely, 2^45429320 is an apocalyptic number.

45429320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45429320 is an abundant number, since it is smaller than the sum of its proper divisors (56786740).

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

45429320 is a wasteful number, since it uses less digits than its factorization.

45429320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135744 (or 1135740 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 45429320 is about 6740.1275952314. The cubic root of 45429320 is about 356.8168969523.

The spelling of 45429320 in words is "forty-five million, four hundred twenty-nine thousand, three hundred twenty".