45224440145 has 8 divisors (see below), whose sum is σ = 57461641704. Its totient is φ = 34051343104.

The previous prime is 45224440103. The next prime is 45224440171. The reversal of 45224440145 is 54104442254.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25859212864 + 19365227281 = 160808^2 + 139159^2 .

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 45224440145 - 2⁸ = 45224439889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266026034 + ... + 266026203.

It is an arithmetic number, because the mean of its divisors is an integer number (7182705213).

Almost surely, 2^45224440145 is an apocalyptic number.

It is an amenable number.

45224440145 is a deficient number, since it is larger than the sum of its proper divisors (12237201559).

45224440145 is a wasteful number, since it uses less digits than its factorization.

45224440145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532052259.

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 45224440145 its reverse (54104442254), we get a palindrome (99328882399).

The spelling of 45224440145 in words is "forty-five billion, two hundred twenty-four million, four hundred forty thousand, one hundred forty-five".