45190023 has 8 divisors (see below), whose sum is σ = 60375168. Its totient is φ = 30065784.

The previous prime is 45190021. The next prime is 45190031. The reversal of 45190023 is 32009154.

45190023 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 not a de Polignac number, because 45190023 - 2¹ = 45190021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45189975 and 45190002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45190021) 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, 13465 + ... + 16482.

It is an arithmetic number, because the mean of its divisors is an integer number (7546896).

Almost surely, 2^45190023 is an apocalyptic number.

45190023 is a deficient number, since it is larger than the sum of its proper divisors (15185145).

45190023 is a wasteful number, since it uses less digits than its factorization.

45190023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30453.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 45190023 is about 6722.3524900142. The cubic root of 45190023 is about 356.1892877765.

Adding to 45190023 its reverse (32009154), we get a palindrome (77199177).

The spelling of 45190023 in words is "forty-five million, one hundred ninety thousand, twenty-three".