141432320 has 80 divisors (see below), whose sum is σ = 343089648. Its totient is φ = 55910400.

The previous prime is 141432311. The next prime is 141432337. The reversal of 141432320 is 23234141.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×141432320² = 40006202281164800, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 141432292 and 141432301.

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, 258287 + ... + 258833.

Almost surely, 2^141432320 is an apocalyptic number.

141432320 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 141432320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171544824).

141432320 is an abundant number, since it is smaller than the sum of its proper divisors (201657328).

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

141432320 is an equidigital number, since it uses as much as digits as its factorization.

141432320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 141432320 is about 11892.5321105305. The cubic root of 141432320 is about 521.0141942265.

Adding to 141432320 its reverse (23234141), we get a palindrome (164666461).

The spelling of 141432320 in words is "one hundred forty-one million, four hundred thirty-two thousand, three hundred twenty".