1945345185050 has 24 divisors (see below), whose sum is σ = 3743112462300. Its totient is φ = 751305726080.

The previous prime is 1945345185029. The next prime is 1945345185103. The reversal of 1945345185050 is 505815435491.

It can be written as a sum of positive squares in 6 ways, for example, as 410241531001 + 1535103654049 = 640501^2 + 1238993^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 1945345185050.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 670807235 + ... + 670810134.

Almost surely, 2^{1945345185050} is an apocalyptic number.

1945345185050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1945345185050 is a deficient number, since it is larger than the sum of its proper divisors (1797767277250).

1945345185050 is a wasteful number, since it uses less digits than its factorization.

1945345185050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341617410 (or 1341617405 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 50.

The spelling of 1945345185050 in words is "one trillion, nine hundred forty-five billion, three hundred forty-five million, one hundred eighty-five thousand, fifty".