45501021332 has 24 divisors (see below), whose sum is σ = 86247617736. Its totient is φ = 20879077248.

The previous prime is 45501021331. The next prime is 45501021347. The reversal of 45501021332 is 23312010554.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17399192836 + 28101828496 = 131906^2 + 167636^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45501021331) 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, 2519963 + ... + 2537954.

It is an arithmetic number, because the mean of its divisors is an integer number (3593650739).

Almost surely, 2^45501021332 is an apocalyptic number.

It is an amenable number.

45501021332 is a deficient number, since it is larger than the sum of its proper divisors (40746596404).

45501021332 is a wasteful number, since it uses less digits than its factorization.

45501021332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058107 (or 5058105 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 45501021332 its reverse (23312010554), we get a palindrome (68813031886).

The spelling of 45501021332 in words is "forty-five billion, five hundred one million, twenty-one thousand, three hundred thirty-two".