45812031 has 16 divisors (see below), whose sum is σ = 63358464. Its totient is φ = 29420064.

The previous prime is 45812029. The next prime is 45812077. The reversal of 45812031 is 13021854.

It is not a de Polignac number, because 45812031 - 2¹ = 45812029 is a prime.

It is a super-2 number, since 2×45812031² = 4197484368689922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45811992 and 45812010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45812131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9430 + ... + 13436.

It is an arithmetic number, because the mean of its divisors is an integer number (3959904).

Almost surely, 2^45812031 is an apocalyptic number.

45812031 is a deficient number, since it is larger than the sum of its proper divisors (17546433).

45812031 is a wasteful number, since it uses less digits than its factorization.

45812031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 45812031 is about 6768.4585394313. The cubic root of 45812031 is about 357.8160759519.

Adding to 45812031 its reverse (13021854), we get a palindrome (58833885).

The spelling of 45812031 in words is "forty-five million, eight hundred twelve thousand, thirty-one".