142483440 has 160 divisors (see below), whose sum is σ = 497682432. Its totient is φ = 33408000.

The previous prime is 142483423. The next prime is 142483469. The reversal of 142483440 is 44384241.

142483440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 142483398 and 142483407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80970 + ... + 82710.

Almost surely, 2^142483440 is an apocalyptic number.

142483440 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 142483440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248841216).

142483440 is an abundant number, since it is smaller than the sum of its proper divisors (355198992).

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

142483440 is a wasteful number, since it uses less digits than its factorization.

142483440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 142483440 is about 11936.6427440885. The cubic root of 142483440 is about 522.3017295239.

The spelling of 142483440 in words is "one hundred forty-two million, four hundred eighty-three thousand, four hundred forty".