45521157237 has 8 divisors (see below), whose sum is σ = 62652775680. Its totient is φ = 29368488480.

The previous prime is 45521157229. The next prime is 45521157251. The reversal of 45521157237 is 73275112554.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45521157237 - 2³ = 45521157229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45521157337) 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 7 ways as a sum of consecutive naturals, for example, 244737312 + ... + 244737497.

It is an arithmetic number, because the mean of its divisors is an integer number (7831596960).

Almost surely, 2^45521157237 is an apocalyptic number.

It is an amenable number.

45521157237 is a deficient number, since it is larger than the sum of its proper divisors (17131618443).

45521157237 is a wasteful number, since it uses less digits than its factorization.

45521157237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489474843.

The product of its digits is 294000, while the sum is 42.

The spelling of 45521157237 in words is "forty-five billion, five hundred twenty-one million, one hundred fifty-seven thousand, two hundred thirty-seven".