141561801 has 6 divisors (see below), whose sum is σ = 204478170. Its totient is φ = 94374528.

The previous prime is 141561793. The next prime is 141561811. The reversal of 141561801 is 108165141.

141561801 is a `hidden beast` number, since 1 + 41 + 5 + 618 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 79923600 + 61638201 = 8940^2 + 7851^2 .

It is not a de Polignac number, because 141561801 - 2³ = 141561793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141561811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7864536 + ... + 7864553.

It is an arithmetic number, because the mean of its divisors is an integer number (34079695).

Almost surely, 2^141561801 is an apocalyptic number.

It is an amenable number.

141561801 is a deficient number, since it is larger than the sum of its proper divisors (62916369).

141561801 is a wasteful number, since it uses less digits than its factorization.

141561801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15729095 (or 15729092 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 141561801 is about 11897.9746595797. The cubic root of 141561801 is about 521.1731415411.

The spelling of 141561801 in words is "one hundred forty-one million, five hundred sixty-one thousand, eight hundred one".