45272182 has 4 divisors (see below), whose sum is σ = 67908276. Its totient is φ = 22636090.

The previous prime is 45272179. The next prime is 45272189. The reversal of 45272182 is 28127254.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28127254 = 2 ⋅14063627.

It is a super-2 number, since 2×45272182² = 4099140926082248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45272189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11318044 + ... + 11318047.

It is an arithmetic number, because the mean of its divisors is an integer number (16977069).

Almost surely, 2^45272182 is an apocalyptic number.

45272182 is a deficient number, since it is larger than the sum of its proper divisors (22636094).

45272182 is a wasteful number, since it uses less digits than its factorization.

45272182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22636093.

The product of its digits is 8960, while the sum is 31.

The square root of 45272182 is about 6728.4605966001. The cubic root of 45272182 is about 356.4050170961.

It can be divided in two parts, 45272 and 182, that added together give a palindrome (45454).

The spelling of 45272182 in words is "forty-five million, two hundred seventy-two thousand, one hundred eighty-two".