1945087043 has 8 divisors (see below), whose sum is σ = 2046265200. Its totient is φ = 1846182688.

The previous prime is 1945087037. The next prime is 1945087051. The reversal of 1945087043 is 3407805491.

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

It is not a de Polignac number, because 1945087043 - 2¹⁰ = 1945086019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1945087013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566696 + ... + 570117.

It is an arithmetic number, because the mean of its divisors is an integer number (255783150).

Almost surely, 2^1945087043 is an apocalyptic number.

1945087043 is a deficient number, since it is larger than the sum of its proper divisors (101178157).

1945087043 is a wasteful number, since it uses less digits than its factorization.

1945087043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136901.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1945087043 is about 44103.1409652419. The cubic root of 1945087043 is about 1248.2828781140.

The spelling of 1945087043 in words is "one billion, nine hundred forty-five million, eighty-seven thousand, forty-three".