142326380 has 72 divisors (see below), whose sum is σ = 368178048. Its totient is φ = 45921792.

The previous prime is 142326377. The next prime is 142326389. The reversal of 142326380 is 83623241.

It is not an unprimeable number, because it can be changed into a prime (142326389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12389 + ... + 20931.

It is an arithmetic number, because the mean of its divisors is an integer number (5113584).

Almost surely, 2^142326380 is an apocalyptic number.

142326380 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 142326380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184089024).

142326380 is an abundant number, since it is smaller than the sum of its proper divisors (225851668).

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

142326380 is a wasteful number, since it uses less digits than its factorization.

142326380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8583 (or 8574 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 142326380 is about 11930.0620283383. The cubic root of 142326380 is about 522.1097472843.

The spelling of 142326380 in words is "one hundred forty-two million, three hundred twenty-six thousand, three hundred eighty".