45661330 has 64 divisors (see below), whose sum is σ = 99283968. Its totient is φ = 14895360.

The previous prime is 45661267. The next prime is 45661387. The reversal of 45661330 is 3316654.

45661330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 52479 + ... + 53341.

It is an arithmetic number, because the mean of its divisors is an integer number (1551312).

Almost surely, 2^45661330 is an apocalyptic number.

45661330 is an abundant number, since it is smaller than the sum of its proper divisors (53622638).

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

45661330 is a wasteful number, since it uses less digits than its factorization.

45661330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 45661330 is about 6757.3167751705. The cubic root of 45661330 is about 357.4232935661.

Adding to 45661330 its reverse (3316654), we get a palindrome (48977984).

The spelling of 45661330 in words is "forty-five million, six hundred sixty-one thousand, three hundred thirty".