141781768 has 32 divisors (see below), whose sum is σ = 285354360. Its totient is φ = 65802240.

The previous prime is 141781763. The next prime is 141781769. The reversal of 141781768 is 867187141.

It can be written as a sum of positive squares in 4 ways, for example, as 96864964 + 44916804 = 9842^2 + 6702^2 .

It is not an unprimeable number, because it can be changed into a prime (141781763) 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, 2788 + ... + 17068.

Almost surely, 2^141781768 is an apocalyptic number.

It is an amenable number.

141781768 is an abundant number, since it is smaller than the sum of its proper divisors (143572592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

141781768 is a wasteful number, since it uses less digits than its factorization.

141781768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14377 (or 14373 counting only the distinct ones).

The product of its digits is 75264, while the sum is 43.

The square root of 141781768 is about 11907.2149556477. The cubic root of 141781768 is about 521.4429449397.

The spelling of 141781768 in words is "one hundred forty-one million, seven hundred eighty-one thousand, seven hundred sixty-eight".