45223573 has 8 divisors (see below), whose sum is σ = 46912448. Its totient is φ = 43563744.

The previous prime is 45223571. The next prime is 45223597. The reversal of 45223573 is 37532254.

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

It is a cyclic number.

It is not a de Polignac number, because 45223573 - 2¹ = 45223571 is a prime.

It is a super-4 number, since 4×45223573⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45223571) 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, 4065 + ... + 10342.

It is an arithmetic number, because the mean of its divisors is an integer number (5864056).

Almost surely, 2^45223573 is an apocalyptic number.

45223573 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

45223573 is a deficient number, since it is larger than the sum of its proper divisors (1688875).

45223573 is a wasteful number, since it uses less digits than its factorization.

45223573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14523.

The product of its digits is 25200, while the sum is 31.

The square root of 45223573 is about 6724.8474332136. The cubic root of 45223573 is about 356.2774133824.

It can be divided in two parts, 45223 and 573, that added together give a square (45796 = 214²).

The spelling of 45223573 in words is "forty-five million, two hundred twenty-three thousand, five hundred seventy-three".