45220320231 has 8 divisors (see below), whose sum is σ = 61576606464. Its totient is φ = 29505457080.

The previous prime is 45220320221. The next prime is 45220320253. The reversal of 45220320231 is 13202302254.

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

It is not a de Polignac number, because 45220320231 - 2¹⁴ = 45220303847 is a prime.

It is a super-2 number, since 2×45220320231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45220320221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160355605 + ... + 160355886.

It is an arithmetic number, because the mean of its divisors is an integer number (7697075808).

Almost surely, 2^45220320231 is an apocalyptic number.

45220320231 is a deficient number, since it is larger than the sum of its proper divisors (16356286233).

45220320231 is a wasteful number, since it uses less digits than its factorization.

45220320231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320711541.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 45220320231 its reverse (13202302254), we get a palindrome (58422622485).

The spelling of 45220320231 in words is "forty-five billion, two hundred twenty million, three hundred twenty thousand, two hundred thirty-one".