141281864 has 16 divisors (see below), whose sum is σ = 268533420. Its totient is φ = 69672960.

The previous prime is 141281863. The next prime is 141281869. The reversal of 141281864 is 468182141.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 138532900 + 2748964 = 11770^2 + 1658^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (141281863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120377 + ... + 121544.

Almost surely, 2^141281864 is an apocalyptic number.

It is an amenable number.

141281864 is a deficient number, since it is larger than the sum of its proper divisors (127251556).

141281864 is a wasteful number, since it uses less digits than its factorization.

141281864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242000 (or 241996 counting only the distinct ones).

The product of its digits is 12288, while the sum is 35.

The square root of 141281864 is about 11886.2047769673. The cubic root of 141281864 is about 520.8293766754.

The spelling of 141281864 in words is "one hundred forty-one million, two hundred eighty-one thousand, eight hundred sixty-four".