142324470 has 48 divisors (see below), whose sum is σ = 375272352. Its totient is φ = 37416960.

The previous prime is 142324433. The next prime is 142324471. The reversal of 142324470 is 74423241.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142324471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4747 + ... + 17526.

It is an arithmetic number, because the mean of its divisors is an integer number (7818174).

Almost surely, 2^142324470 is an apocalyptic number.

142324470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142324470 is an abundant number, since it is smaller than the sum of its proper divisors (232947882).

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

142324470 is a wasteful number, since it uses less digits than its factorization.

142324470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22357 (or 22354 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 142324470 is about 11929.9819781926. The cubic root of 142324470 is about 522.1074117274.

The spelling of 142324470 in words is "one hundred forty-two million, three hundred twenty-four thousand, four hundred seventy".