140446201 has 9 divisors (see below), whose sum is σ = 163472751. Its totient is φ = 120311352.

The previous prime is 140446193. The next prime is 140446219. The reversal of 140446201 is 102644041.

The square root of 140446201 is 11851.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 53509225 + 86936976 = 7315^2 + 9324^2 .

It is not a de Polignac number, because 140446201 - 2³ = 140446193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140446261) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 82111 + ... + 83803.

It is an arithmetic number, because the mean of its divisors is an integer number (18163639).

Almost surely, 2^140446201 is an apocalyptic number.

140446201 is the 11851-st square number.

140446201 is the 5926-th centered octagonal number.

It is an amenable number.

140446201 is a deficient number, since it is larger than the sum of its proper divisors (23026550).

140446201 is an frugal number, since it uses more digits than its factorization.

140446201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400 (or 1700 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The cubic root of 140446201 is about 519.8004670846.

The spelling of 140446201 in words is "one hundred forty million, four hundred forty-six thousand, two hundred one".