45347631 has 16 divisors (see below), whose sum is σ = 69936384. Its totient is φ = 25599744.

The previous prime is 45347611. The next prime is 45347641. The reversal of 45347631 is 13674354.

It is not a de Polignac number, because 45347631 - 2¹¹ = 45345583 is a prime.

It is a super-2 number, since 2×45347631² = 4112815274624322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45347592 and 45347601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45347611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11266 + ... + 14751.

It is an arithmetic number, because the mean of its divisors is an integer number (4371024).

Almost surely, 2^45347631 is an apocalyptic number.

45347631 is a deficient number, since it is larger than the sum of its proper divisors (24588753).

45347631 is a wasteful number, since it uses less digits than its factorization.

45347631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26110.

The product of its digits is 30240, while the sum is 33.

The square root of 45347631 is about 6734.0649685016. The cubic root of 45347631 is about 356.6028978297.

It can be divided in two parts, 453 and 47631, that added together give a palindrome (48084).

The spelling of 45347631 in words is "forty-five million, three hundred forty-seven thousand, six hundred thirty-one".