1945452452 has 12 divisors (see below), whose sum is σ = 3496556700. Its totient is φ = 946436256.

The previous prime is 1945452451. The next prime is 1945452517. The reversal of 1945452452 is 2542545491.

It can be written as a sum of positive squares in 2 ways, for example, as 1280637796 + 664814656 = 35786^2 + 25784^2 .

It is not an unprimeable number, because it can be changed into a prime (1945452451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6572327 + ... + 6572622.

It is an arithmetic number, because the mean of its divisors is an integer number (291379725).

Almost surely, 2^1945452452 is an apocalyptic number.

It is an amenable number.

1945452452 is a deficient number, since it is larger than the sum of its proper divisors (1551104248).

1945452452 is a wasteful number, since it uses less digits than its factorization.

1945452452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13144990 (or 13144988 counting only the distinct ones).

The product of its digits is 288000, while the sum is 41.

The square root of 1945452452 is about 44107.2834348251. The cubic root of 1945452452 is about 1248.3610417519.

The spelling of 1945452452 in words is "one billion, nine hundred forty-five million, four hundred fifty-two thousand, four hundred fifty-two".