45212263631 has 4 divisors (see below), whose sum is σ = 45366571992. Its totient is φ = 45057955272.

The previous prime is 45212263567. The next prime is 45212263643. The reversal of 45212263631 is 13636221254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45212263631 - 2⁶ = 45212263567 is a prime.

It is a super-2 number, since 2×45212263631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45212263591 and 45212263600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45212263661) 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 3 ways as a sum of consecutive naturals, for example, 77153741 + ... + 77154326.

It is an arithmetic number, because the mean of its divisors is an integer number (11341642998).

Almost surely, 2^45212263631 is an apocalyptic number.

45212263631 is a deficient number, since it is larger than the sum of its proper divisors (154308361).

45212263631 is a wasteful number, since it uses less digits than its factorization.

45212263631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154308360.

The product of its digits is 51840, while the sum is 35.

Adding to 45212263631 its reverse (13636221254), we get a palindrome (58848484885).

The spelling of 45212263631 in words is "forty-five billion, two hundred twelve million, two hundred sixty-three thousand, six hundred thirty-one".