142944600 has 96 divisors (see below), whose sum is σ = 466488000. Its totient is φ = 36109440.

The previous prime is 142944583. The next prime is 142944611. The reversal of 142944600 is 6449241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5131 + ... + 17669.

It is an arithmetic number, because the mean of its divisors is an integer number (4859250).

Almost surely, 2^142944600 is an apocalyptic number.

142944600 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 142944600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233244000).

142944600 is an abundant number, since it is smaller than the sum of its proper divisors (323543400).

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

142944600 is a wasteful number, since it uses less digits than its factorization.

142944600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12577 (or 12568 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 142944600 is about 11955.9441283405. The cubic root of 142944600 is about 522.8646142869.

The spelling of 142944600 in words is "one hundred forty-two million, nine hundred forty-four thousand, six hundred".