140302244 has 6 divisors (see below), whose sum is σ = 245528934. Its totient is φ = 70151120.

The previous prime is 140302243. The next prime is 140302259. The reversal of 140302244 is 442203041.

140302244 is digitally balanced in base 2, 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., 98208100 + 42094144 = 9910^2 + 6488^2 .

It is not an unprimeable number, because it can be changed into a prime (140302243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17537777 + ... + 17537784.

It is an arithmetic number, because the mean of its divisors is an integer number (40921489).

Almost surely, 2^140302244 is an apocalyptic number.

It is an amenable number.

140302244 is a deficient number, since it is larger than the sum of its proper divisors (105226690).

140302244 is a wasteful number, since it uses less digits than its factorization.

140302244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35075565 (or 35075563 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 140302244 is about 11844.9248203608. The cubic root of 140302244 is about 519.6228083172.

Adding to 140302244 its reverse (442203041), we get a palindrome (582505285).

The spelling of 140302244 in words is "one hundred forty million, three hundred two thousand, two hundred forty-four".