75038229445 has 24 divisors (see below), whose sum is σ = 94174833816. Its totient is φ = 57393904128.

The previous prime is 75038229433. The next prime is 75038229451. The reversal of 75038229445 is 54492283057.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45487931841 + 29550297604 = 213279^2 + 171902^2 .

It is not a de Polignac number, because 75038229445 - 2²⁵ = 75004675013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7170657 + ... + 7181113.

It is an arithmetic number, because the mean of its divisors is an integer number (3923951409).

Almost surely, 2^75038229445 is an apocalyptic number.

It is an amenable number.

75038229445 is a deficient number, since it is larger than the sum of its proper divisors (19136604371).

75038229445 is a wasteful number, since it uses less digits than its factorization.

75038229445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13221 (or 13198 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 75038229445 in words is "seventy-five billion, thirty-eight million, two hundred twenty-nine thousand, four hundred forty-five".