2445142922 has 4 divisors (see below), whose sum is σ = 3667714386. Its totient is φ = 1222571460.

The previous prime is 2445142913. The next prime is 2445142933. The reversal of 2445142922 is 2292415442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2292415442 = 2 ⋅1146207721.

It can be written as a sum of positive squares in only one way, i.e., 2355063841 + 90079081 = 48529^2 + 9491^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611285729 + ... + 611285732.

Almost surely, 2^2445142922 is an apocalyptic number.

2445142922 is a deficient number, since it is larger than the sum of its proper divisors (1222571464).

2445142922 is a wasteful number, since it uses less digits than its factorization.

2445142922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222571463.

The product of its digits is 46080, while the sum is 35.

The square root of 2445142922 is about 49448.3864448578. The cubic root of 2445142922 is about 1347.2082999031.

The spelling of 2445142922 in words is "two billion, four hundred forty-five million, one hundred forty-two thousand, nine hundred twenty-two".