140445200 has 60 divisors (see below), whose sum is σ = 385630080. Its totient is φ = 48151680.

The previous prime is 140445197. The next prime is 140445257. The reversal of 140445200 is 2544041.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22280 + ... + 27879.

It is an arithmetic number, because the mean of its divisors is an integer number (6427168).

Almost surely, 2^140445200 is an apocalyptic number.

140445200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140445200 is an abundant number, since it is smaller than the sum of its proper divisors (245184880).

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

140445200 is a wasteful number, since it uses less digits than its factorization.

140445200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50184 (or 50173 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 140445200 is about 11850.9577672018. The cubic root of 140445200 is about 519.7992321598.

Adding to 140445200 its reverse (2544041), we get a palindrome (142989241).

The spelling of 140445200 in words is "one hundred forty million, four hundred forty-five thousand, two hundred".