1875458245 has 4 divisors (see below), whose sum is σ = 2250549900. Its totient is φ = 1500366592.

The previous prime is 1875458177. The next prime is 1875458261. The reversal of 1875458245 is 5428545781.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5428545781 = 7151 ⋅759131.

It can be written as a sum of positive squares in 2 ways, for example, as 853633089 + 1021825156 = 29217^2 + 31966^2 .

It is a cyclic number.

It is not a de Polignac number, because 1875458245 - 2²⁵ = 1841903813 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187545820 + ... + 187545829.

It is an arithmetic number, because the mean of its divisors is an integer number (562637475).

Almost surely, 2^1875458245 is an apocalyptic number.

It is an amenable number.

1875458245 is a deficient number, since it is larger than the sum of its proper divisors (375091655).

1875458245 is an equidigital number, since it uses as much as digits as its factorization.

1875458245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375091654.

The product of its digits is 1792000, while the sum is 49.

The square root of 1875458245 is about 43306.5612234451. The cubic root of 1875458245 is about 1233.2064849250.

The spelling of 1875458245 in words is "one billion, eight hundred seventy-five million, four hundred fifty-eight thousand, two hundred forty-five".