75024145 has 24 divisors (see below), whose sum is σ = 110894184. Its totient is φ = 48416256.

The previous prime is 75024143. The next prime is 75024163. The reversal of 75024145 is 54142057.

It can be written as a sum of positive squares in 4 ways, for example, as 33189121 + 41835024 = 5761^2 + 6468^2 .

It is not a de Polignac number, because 75024145 - 2¹ = 75024143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75024143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4842 + ... + 13171.

It is an arithmetic number, because the mean of its divisors is an integer number (4620591).

Almost surely, 2^75024145 is an apocalyptic number.

It is an amenable number.

75024145 is a deficient number, since it is larger than the sum of its proper divisors (35870039).

75024145 is a wasteful number, since it uses less digits than its factorization.

75024145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18049 (or 18042 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 75024145 is about 8661.6479378927. The cubic root of 75024145 is about 421.7615826436.

The spelling of 75024145 in words is "seventy-five million, twenty-four thousand, one hundred forty-five".