45450330 has 16 divisors (see below), whose sum is σ = 109080864. Its totient is φ = 12120080.

The previous prime is 45450313. The next prime is 45450331. The reversal of 45450330 is 3305454.

It is a happy number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 45450330.

It is not an unprimeable number, because it can be changed into a prime (45450331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757476 + ... + 757535.

It is an arithmetic number, because the mean of its divisors is an integer number (6817554).

Almost surely, 2^45450330 is an apocalyptic number.

45450330 is an abundant number, since it is smaller than the sum of its proper divisors (63630534).

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

45450330 is a wasteful number, since it uses less digits than its factorization.

45450330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515021.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 45450330 is about 6741.6859909076. The cubic root of 45450330 is about 356.8718949698.

Adding to 45450330 its reverse (3305454), we get a palindrome (48755784).

The spelling of 45450330 in words is "forty-five million, four hundred fifty thousand, three hundred thirty".