142932744 has 96 divisors (see below), whose sum is σ = 410623200. Its totient is φ = 44789760.

The previous prime is 142932743. The next prime is 142932761. The reversal of 142932744 is 447239241.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 142932699 and 142932708.

It is not an unprimeable number, because it can be changed into a prime (142932743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222664 + ... + 223304.

It is an arithmetic number, because the mean of its divisors is an integer number (4277325).

Almost surely, 2^142932744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142932744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205311600).

142932744 is an abundant number, since it is smaller than the sum of its proper divisors (267690456).

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

142932744 is a wasteful number, since it uses less digits than its factorization.

142932744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 828 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 142932744 is about 11955.4482977427. The cubic root of 142932744 is about 522.8501582103.

The spelling of 142932744 in words is "one hundred forty-two million, nine hundred thirty-two thousand, seven hundred forty-four".