45161372330 has 16 divisors (see below), whose sum is σ = 81292913064. Its totient is φ = 18064006080.

The previous prime is 45161372317. The next prime is 45161372369. The reversal of 45161372330 is 3327316154.

It can be written as a sum of positive squares in 4 ways, for example, as 28836454969 + 16324917361 = 169813^2 + 127769^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545900 + ... + 623160.

Almost surely, 2^45161372330 is an apocalyptic number.

45161372330 is a deficient number, since it is larger than the sum of its proper divisors (36131540734).

45161372330 is a wasteful number, since it uses less digits than its factorization.

45161372330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135721.

The product of its (nonzero) digits is 45360, while the sum is 35.

Adding to 45161372330 its reverse (3327316154), we get a palindrome (48488688484).

The spelling of 45161372330 in words is "forty-five billion, one hundred sixty-one million, three hundred seventy-two thousand, three hundred thirty".