1945974148 has 24 divisors (see below), whose sum is σ = 3595373600. Its totient is φ = 919029888.

The previous prime is 1945974143. The next prime is 1945974181. The reversal of 1945974148 is 8414795491.

It is a junction number, because it is equal to n+sod(n) for n = 1945974095 and 1945974104.

It is not an unprimeable number, because it can be changed into a prime (1945974143) 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, 12378 + ... + 63601.

Almost surely, 2^1945974148 is an apocalyptic number.

It is an amenable number.

1945974148 is a deficient number, since it is larger than the sum of its proper divisors (1649399452).

1945974148 is a wasteful number, since it uses less digits than its factorization.

1945974148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76339 (or 76337 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 52.

The square root of 1945974148 is about 44113.1969823090. The cubic root of 1945974148 is about 1248.4726193535.

The spelling of 1945974148 in words is "one billion, nine hundred forty-five million, nine hundred seventy-four thousand, one hundred forty-eight".