1945195233 has 8 divisors (see below), whose sum is σ = 2746158048. Its totient is φ = 1220514624.

The previous prime is 1945195229. The next prime is 1945195237. The reversal of 1945195233 is 3325915491.

It is an interprime number because it is at equal distance from previous prime (1945195229) and next prime (1945195237).

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

It is not a de Polignac number, because 1945195233 - 2² = 1945195229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1945195237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19070491 + ... + 19070592.

It is an arithmetic number, because the mean of its divisors is an integer number (343269756).

Almost surely, 2^1945195233 is an apocalyptic number.

It is an amenable number.

1945195233 is a deficient number, since it is larger than the sum of its proper divisors (800962815).

1945195233 is a wasteful number, since it uses less digits than its factorization.

1945195233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38141103.

The product of its digits is 145800, while the sum is 42.

The square root of 1945195233 is about 44104.3675048175. The cubic root of 1945195233 is about 1248.3060217605.

The spelling of 1945195233 in words is "one billion, nine hundred forty-five million, one hundred ninety-five thousand, two hundred thirty-three".