45545233040 has 20 divisors (see below), whose sum is σ = 105892667004. Its totient is φ = 18218093184.

The previous prime is 45545233037. The next prime is 45545233067. The reversal of 45545233040 is 4033254554.

It can be written as a sum of positive squares in 2 ways, for example, as 6797672704 + 38747560336 = 82448^2 + 196844^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284657627 + ... + 284657786.

Almost surely, 2^45545233040 is an apocalyptic number.

45545233040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45545233040 is an abundant number, since it is smaller than the sum of its proper divisors (60347433964).

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

45545233040 is a wasteful number, since it uses less digits than its factorization.

45545233040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569315426 (or 569315420 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 45545233040 its reverse (4033254554), we get a palindrome (49578487594).

The spelling of 45545233040 in words is "forty-five billion, five hundred forty-five million, two hundred thirty-three thousand, forty".