45223037 has 4 divisors (see below), whose sum is σ = 47189280. Its totient is φ = 43256796.

The previous prime is 45223019. The next prime is 45223039. The reversal of 45223037 is 73032254.

45223037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73032254 = 2 ⋅36516127.

It is a cyclic number.

It is not a de Polignac number, because 45223037 - 2⁶ = 45222973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45222997 and 45223015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45223039) 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 3 ways as a sum of consecutive naturals, for example, 983087 + ... + 983132.

It is an arithmetic number, because the mean of its divisors is an integer number (11797320).

Almost surely, 2^45223037 is an apocalyptic number.

It is an amenable number.

45223037 is a deficient number, since it is larger than the sum of its proper divisors (1966243).

45223037 is a wasteful number, since it uses less digits than its factorization.

45223037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966242.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 45223037 is about 6724.8075808903. The cubic root of 45223037 is about 356.2760058168.

The spelling of 45223037 in words is "forty-five million, two hundred twenty-three thousand, thirty-seven".