142940016 has 60 divisors (see below), whose sum is σ = 403815672. Its totient is φ = 47196288.

The previous prime is 142939987. The next prime is 142940023. The reversal of 142940016 is 610049241.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10770 + ... + 20046.

Almost surely, 2^142940016 is an apocalyptic number.

142940016 is a gapful number since it is divisible by the number (16) 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 142940016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201907836).

142940016 is an abundant number, since it is smaller than the sum of its proper divisors (260875656).

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

142940016 is a wasteful number, since it uses less digits than its factorization.

142940016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9398 (or 9389 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 142940016 is about 11955.7524229971. The cubic root of 142940016 is about 522.8590250889.

Adding to 142940016 its reverse (610049241), we get a palindrome (752989257).

The spelling of 142940016 in words is "one hundred forty-two million, nine hundred forty thousand, sixteen".