3123762945 has 8 divisors (see below), whose sum is σ = 4998020736. Its totient is φ = 1666006896.

The previous prime is 3123762913. The next prime is 3123762947. The reversal of 3123762945 is 5492673213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3123762945 - 2⁵ = 3123762913 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3123762897 and 3123762906.

It is not an unprimeable number, because it can be changed into a prime (3123762947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104125417 + ... + 104125446.

It is an arithmetic number, because the mean of its divisors is an integer number (624752592).

Almost surely, 2^3123762945 is an apocalyptic number.

It is an amenable number.

3123762945 is a deficient number, since it is larger than the sum of its proper divisors (1874257791).

3123762945 is a wasteful number, since it uses less digits than its factorization.

3123762945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208250871.

The product of its digits is 272160, while the sum is 42.

The square root of 3123762945 is about 55890.6337859932. The cubic root of 3123762945 is about 1461.8159278711.

The spelling of 3123762945 in words is "three billion, one hundred twenty-three million, seven hundred sixty-two thousand, nine hundred forty-five".