1945772162 has 8 divisors (see below), whose sum is σ = 3090344076. Its totient is φ = 915657472.

The previous prime is 1945772131. The next prime is 1945772167. The reversal of 1945772162 is 2612775491.

It can be written as a sum of positive squares in 2 ways, for example, as 1910476681 + 35295481 = 43709^2 + 5941^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1945772167) 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, 28614263 + ... + 28614330.

Almost surely, 2^1945772162 is an apocalyptic number.

1945772162 is a deficient number, since it is larger than the sum of its proper divisors (1144571914).

1945772162 is a wasteful number, since it uses less digits than its factorization.

1945772162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57228612.

The product of its digits is 211680, while the sum is 44.

The square root of 1945772162 is about 44110.9075173023. The cubic root of 1945772162 is about 1248.4294220143.

It can be divided in two parts, 19457 and 72162, that added together give a palindrome (91619).

The spelling of 1945772162 in words is "one billion, nine hundred forty-five million, seven hundred seventy-two thousand, one hundred sixty-two".