45132431 has 8 divisors (see below), whose sum is σ = 46662000. Its totient is φ = 43623360.

The previous prime is 45132421. The next prime is 45132443. The reversal of 45132431 is 13423154.

45132431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 45132431 - 2¹⁴ = 45116047 is a prime.

It is a super-2 number, since 2×45132431² = 4073872655939522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45132397 and 45132406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45132401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581 + ... + 9518.

It is an arithmetic number, because the mean of its divisors is an integer number (5832750).

Almost surely, 2^45132431 is an apocalyptic number.

45132431 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

45132431 is a deficient number, since it is larger than the sum of its proper divisors (1529569).

45132431 is a wasteful number, since it uses less digits than its factorization.

45132431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10249.

The product of its digits is 1440, while the sum is 23.

The square root of 45132431 is about 6718.0675048707. The cubic root of 45132431 is about 356.0379094209.

Adding to 45132431 its reverse (13423154), we get a palindrome (58555585).

The spelling of 45132431 in words is "forty-five million, one hundred thirty-two thousand, four hundred thirty-one".