141861720 has 256 divisors, whose sum is σ = 571898880. Its totient is φ = 27187200.

The previous prime is 141861701. The next prime is 141861721. The reversal of 141861720 is 27168141.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141861721) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119530 + ... + 120710.

It is an arithmetic number, because the mean of its divisors is an integer number (2233980).

Almost surely, 2^141861720 is an apocalyptic number.

141861720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 141861720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285949440).

141861720 is an abundant number, since it is smaller than the sum of its proper divisors (430037160).

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

141861720 is a wasteful number, since it uses less digits than its factorization.

141861720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1222 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 141861720 is about 11910.5717746882. The cubic root of 141861720 is about 521.5409419597.

The spelling of 141861720 in words is "one hundred forty-one million, eight hundred sixty-one thousand, seven hundred twenty".