45212106531 has 8 divisors (see below), whose sum is σ = 60285817600. Its totient is φ = 30139899912.

The previous prime is 45212106521. The next prime is 45212106539. The reversal of 45212106531 is 13560121254.

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

It is not a de Polignac number, because 45212106531 - 2¹³ = 45212098339 is a prime.

It is a super-2 number, since 2×45212106531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45212106539) 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, 304015 + ... + 427608.

It is an arithmetic number, because the mean of its divisors is an integer number (7535727200).

Almost surely, 2^45212106531 is an apocalyptic number.

45212106531 is a deficient number, since it is larger than the sum of its proper divisors (15073711069).

45212106531 is a wasteful number, since it uses less digits than its factorization.

45212106531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752225.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 45212106531 its reverse (13560121254), we get a palindrome (58772227785).

The spelling of 45212106531 in words is "forty-five billion, two hundred twelve million, one hundred six thousand, five hundred thirty-one".