45224531 has 8 divisors (see below), whose sum is σ = 50073024. Its totient is φ = 40498920.

The previous prime is 45224507. The next prime is 45224533. The reversal of 45224531 is 13542254.

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 45224531 - 2¹⁸ = 44962387 is a prime.

It is a super-2 number, since 2×45224531² = 4090516408339922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45224531.

It is not an unprimeable number, because it can be changed into a prime (45224533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29945 + ... + 31418.

It is an arithmetic number, because the mean of its divisors is an integer number (6259128).

Almost surely, 2^45224531 is an apocalyptic number.

45224531 is a deficient number, since it is larger than the sum of its proper divisors (4848493).

45224531 is a wasteful number, since it uses less digits than its factorization.

45224531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61441.

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

The square root of 45224531 is about 6724.9186612181. The cubic root of 45224531 is about 356.2799291158.

Adding to 45224531 its reverse (13542254), we get a palindrome (58766785).

The spelling of 45224531 in words is "forty-five million, two hundred twenty-four thousand, five hundred thirty-one".