1874893145 has 4 divisors (see below), whose sum is σ = 2249871780. Its totient is φ = 1499914512.

The previous prime is 1874893129. The next prime is 1874893157. The reversal of 1874893145 is 5413984781.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 836829184 + 1038063961 = 28928^2 + 32219^2 .

It is a cyclic number.

It is not a de Polignac number, because 1874893145 - 2⁴ = 1874893129 is a prime.

It is a super-3 number, since 3×1874893145³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1874893093 and 1874893102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187489310 + ... + 187489319.

It is an arithmetic number, because the mean of its divisors is an integer number (562467945).

Almost surely, 2^1874893145 is an apocalyptic number.

It is an amenable number.

1874893145 is a deficient number, since it is larger than the sum of its proper divisors (374978635).

1874893145 is an equidigital number, since it uses as much as digits as its factorization.

1874893145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374978634.

The product of its digits is 967680, while the sum is 50.

The square root of 1874893145 is about 43300.0363163820. The cubic root of 1874893145 is about 1233.0826120899.

The spelling of 1874893145 in words is "one billion, eight hundred seventy-four million, eight hundred ninety-three thousand, one hundred forty-five".