140224900 has 18 divisors (see below), whose sum is σ = 304288250. Its totient is φ = 56089920.

The previous prime is 140224871. The next prime is 140224907. The reversal of 140224900 is 9422041.

It can be written as a sum of positive squares in 3 ways, for example, as 29680704 + 110544196 = 5448^2 + 10514^2 .

It is not an unprimeable number, because it can be changed into a prime (140224907) 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, 701025 + ... + 701224.

Almost surely, 2^140224900 is an apocalyptic number.

140224900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140224900 is an abundant number, since it is smaller than the sum of its proper divisors (164063350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140224900 is a wasteful number, since it uses less digits than its factorization.

140224900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402263 (or 1402256 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 140224900 is about 11841.6595120785. The cubic root of 140224900 is about 519.5273071271.

Adding to 140224900 its reverse (9422041), we get a palindrome (149646941).

The spelling of 140224900 in words is "one hundred forty million, two hundred twenty-four thousand, nine hundred".