45737121 has 8 divisors (see below), whose sum is σ = 62950144. Its totient is φ = 29507760.

The previous prime is 45737119. The next prime is 45737137. The reversal of 45737121 is 12173754.

45737121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45737121 - 2¹ = 45737119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45737171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245806 + ... + 245991.

It is an arithmetic number, because the mean of its divisors is an integer number (7868768).

Almost surely, 2^45737121 is an apocalyptic number.

It is an amenable number.

45737121 is a deficient number, since it is larger than the sum of its proper divisors (17213023).

45737121 is a wasteful number, since it uses less digits than its factorization.

45737121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491831.

The product of its digits is 5880, while the sum is 30.

The square root of 45737121 is about 6762.9225191481. The cubic root of 45737121 is about 357.6209407108.

The spelling of 45737121 in words is "forty-five million, seven hundred thirty-seven thousand, one hundred twenty-one".