45251423 has 8 divisors (see below), whose sum is σ = 51865248. Its totient is φ = 38674944.

The previous prime is 45251411. The next prime is 45251429. The reversal of 45251423 is 32415254.

It is a happy number.

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

It is not a de Polignac number, because 45251423 - 2¹⁴ = 45235039 is a prime.

It is a super-3 number, since 3×45251423³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45251392 and 45251401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45251429) 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 7 ways as a sum of consecutive naturals, for example, 6686 + ... + 11627.

It is an arithmetic number, because the mean of its divisors is an integer number (6483156).

Almost surely, 2^45251423 is an apocalyptic number.

45251423 is a deficient number, since it is larger than the sum of its proper divisors (6613825).

45251423 is a wasteful number, since it uses less digits than its factorization.

45251423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18673.

The product of its digits is 4800, while the sum is 26.

The square root of 45251423 is about 6726.9177934623. The cubic root of 45251423 is about 356.3505337279.

Adding to 45251423 its reverse (32415254), we get a palindrome (77666677).

The spelling of 45251423 in words is "forty-five million, two hundred fifty-one thousand, four hundred twenty-three".