142624944 has 240 divisors, whose sum is σ = 524609280. Its totient is φ = 35043840.

The previous prime is 142624943. The next prime is 142624949. The reversal of 142624944 is 449426241.

It is a happy number.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 142624899 and 142624908.

It is not an unprimeable number, because it can be changed into a prime (142624943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 210334 + ... + 211010.

It is an arithmetic number, because the mean of its divisors is an integer number (2185872).

Almost surely, 2^142624944 is an apocalyptic number.

142624944 is a gapful number since it is divisible by the number (14) 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 142624944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262304640).

142624944 is an abundant number, since it is smaller than the sum of its proper divisors (381984336).

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

142624944 is a wasteful number, since it uses less digits than its factorization.

142624944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 719 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 142624944 is about 11942.5685679422. The cubic root of 142624944 is about 522.4745761154.

The spelling of 142624944 in words is "one hundred forty-two million, six hundred twenty-four thousand, nine hundred forty-four".