45233134021 has 4 divisors (see below), whose sum is σ = 45387513612. Its totient is φ = 45078754432.

The previous prime is 45233133983. The next prime is 45233134031. The reversal of 45233134021 is 12043133254.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23399820900 + 21833313121 = 152970^2 + 147761^2 .

It is a cyclic number.

It is not a de Polignac number, because 45233134021 - 2¹⁵ = 45233101253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45233134031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77189356 + ... + 77189941.

It is an arithmetic number, because the mean of its divisors is an integer number (11346878403).

Almost surely, 2^45233134021 is an apocalyptic number.

It is an amenable number.

45233134021 is a deficient number, since it is larger than the sum of its proper divisors (154379591).

45233134021 is a wasteful number, since it uses less digits than its factorization.

45233134021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154379590.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 45233134021 its reverse (12043133254), we get a palindrome (57276267275).

The spelling of 45233134021 in words is "forty-five billion, two hundred thirty-three million, one hundred thirty-four thousand, twenty-one".