45154223 has 8 divisors (see below), whose sum is σ = 45909600. Its totient is φ = 44402688.

The previous prime is 45154201. The next prime is 45154229. The reversal of 45154223 is 32245154.

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 45154223 - 2²⁰ = 44105647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45154192 and 45154201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45154229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31343 + ... + 32751.

It is an arithmetic number, because the mean of its divisors is an integer number (5738700).

Almost surely, 2^45154223 is an apocalyptic number.

45154223 is a deficient number, since it is larger than the sum of its proper divisors (755377).

45154223 is a wasteful number, since it uses less digits than its factorization.

45154223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921.

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

The square root of 45154223 is about 6719.6892041225. The cubic root of 45154223 is about 356.0952039910.

Adding to 45154223 its reverse (32245154), we get a palindrome (77399377).

The spelling of 45154223 in words is "forty-five million, one hundred fifty-four thousand, two hundred twenty-three".