141662728 has 8 divisors (see below), whose sum is σ = 265617630. Its totient is φ = 70831360.

The previous prime is 141662707. The next prime is 141662737. The reversal of 141662728 is 827266141.

141662728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 77053284 + 64609444 = 8778^2 + 8038^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8853913 + ... + 8853928.

Almost surely, 2^141662728 is an apocalyptic number.

It is an amenable number.

141662728 is a deficient number, since it is larger than the sum of its proper divisors (123954902).

141662728 is a wasteful number, since it uses less digits than its factorization.

141662728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17707847 (or 17707843 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 141662728 is about 11902.2152559933. The cubic root of 141662728 is about 521.2969695458.

The spelling of 141662728 in words is "one hundred forty-one million, six hundred sixty-two thousand, seven hundred twenty-eight".