141720400 has 30 divisors (see below), whose sum is σ = 340484222. Its totient is φ = 56688000.

The previous prime is 141720379. The next prime is 141720401. The reversal of 141720400 is 4027141.

It can be written as a sum of positive squares in 3 ways, for example, as 8456464 + 133263936 = 2908^2 + 11544^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141720401) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 176751 + ... + 177550.

Almost surely, 2^141720400 is an apocalyptic number.

141720400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141720400 is an abundant number, since it is smaller than the sum of its proper divisors (198763822).

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

141720400 is a wasteful number, since it uses less digits than its factorization.

141720400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354319 (or 354308 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 141720400 is about 11904.6377517336. The cubic root of 141720400 is about 521.3677013004.

Adding to 141720400 its reverse (4027141), we get a palindrome (145747541).

The spelling of 141720400 in words is "one hundred forty-one million, seven hundred twenty thousand, four hundred".