141423220 has 24 divisors (see below), whose sum is σ = 297657864. Its totient is φ = 56441856.

The previous prime is 141423197. The next prime is 141423257. The reversal of 141423220 is 22324141.

It can be written as a sum of positive squares in 4 ways, for example, as 31047184 + 110376036 = 5572^2 + 10506^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404 + ... + 16876.

It is an arithmetic number, because the mean of its divisors is an integer number (12402411).

Almost surely, 2^141423220 is an apocalyptic number.

141423220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141423220 is an abundant number, since it is smaller than the sum of its proper divisors (156234644).

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

141423220 is a wasteful number, since it uses less digits than its factorization.

141423220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15939 (or 15937 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 141423220 is about 11892.1495113373. The cubic root of 141423220 is about 521.0030196688.

Adding to 141423220 its reverse (22324141), we get a palindrome (163747361).

The spelling of 141423220 in words is "one hundred forty-one million, four hundred twenty-three thousand, two hundred twenty".