140200745 has 8 divisors (see below), whose sum is σ = 168611784. Its totient is φ = 111913344.

The previous prime is 140200729. The next prime is 140200759. The reversal of 140200745 is 547002041.

140200745 = T₃₀ + T₃₁ + ... + T₉₄₃.

It can be written as a sum of positive squares in 4 ways, for example, as 72369049 + 67831696 = 8507^2 + 8236^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140200745 - 2⁴ = 140200729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140200745.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28394 + ... + 32963.

It is an arithmetic number, because the mean of its divisors is an integer number (21076473).

Almost surely, 2^140200745 is an apocalyptic number.

It is an amenable number.

140200745 is a deficient number, since it is larger than the sum of its proper divisors (28411039).

140200745 is an equidigital number, since it uses as much as digits as its factorization.

140200745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61819.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 140200745 is about 11840.6395519837. The cubic root of 140200745 is about 519.4974743305.

Adding to 140200745 its reverse (547002041), we get a palindrome (687202786).

The spelling of 140200745 in words is "one hundred forty million, two hundred thousand, seven hundred forty-five".