1945375052 has 24 divisors (see below), whose sum is σ = 3639075552. Its totient is φ = 907702400.

The previous prime is 1945375051. The next prime is 1945375177. The reversal of 1945375052 is 2505735491.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (1945375051) 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, 254099 + ... + 261642.

It is an arithmetic number, because the mean of its divisors is an integer number (151628148).

Almost surely, 2^1945375052 is an apocalyptic number.

It is an amenable number.

1945375052 is a deficient number, since it is larger than the sum of its proper divisors (1693700500).

1945375052 is a wasteful number, since it uses less digits than its factorization.

1945375052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515809 (or 515807 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 1945375052 is about 44106.4060199876. The cubic root of 1945375052 is about 1248.3444861471.

The spelling of 1945375052 in words is "one billion, nine hundred forty-five million, three hundred seventy-five thousand, fifty-two".