1945195 has 16 divisors (see below), whose sum is σ = 2692800. Its totient is φ = 1321344.

The previous prime is 1945183. The next prime is 1945199. The reversal of 1945195 is 5915491.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1945195 - 2¹¹ = 1943147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1945195.

It is not an unprimeable number, because it can be changed into a prime (1945199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5029 + ... + 5401.

It is an arithmetic number, because the mean of its divisors is an integer number (168300).

2^1945195 is an apocalyptic number.

1945195 is a deficient number, since it is larger than the sum of its proper divisors (747605).

1945195 is a wasteful number, since it uses less digits than its factorization.

1945195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534.

The product of its digits is 8100, while the sum is 34.

The square root of 1945195 is about 1394.7024772330. The cubic root of 1945195 is about 124.8305971919.

It can be divided in two parts, 19 and 45195, that multiplied together give a triangular number (858705 = T₁₃₁₀).

The spelling of 1945195 in words is "one million, nine hundred forty-five thousand, one hundred ninety-five".