45229253520 has 160 divisors (see below), whose sum is σ = 154361370240. Its totient is φ = 10864005120.

The previous prime is 45229253477. The next prime is 45229253527. The reversal of 45229253520 is 2535292254.

It is not an unprimeable number, because it can be changed into a prime (45229253527) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 209172 + ... + 366348.

It is an arithmetic number, because the mean of its divisors is an integer number (964758564).

Almost surely, 2^45229253520 is an apocalyptic number.

45229253520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45229253520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77180685120).

45229253520 is an abundant number, since it is smaller than the sum of its proper divisors (109132116720).

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

45229253520 is a wasteful number, since it uses less digits than its factorization.

45229253520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157313 (or 157307 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 45229253520 in words is "forty-five billion, two hundred twenty-nine million, two hundred fifty-three thousand, five hundred twenty".