142490712 has 128 divisors (see below), whose sum is σ = 447068160. Its totient is φ = 36840960.

The previous prime is 142490683. The next prime is 142490713. The reversal of 142490712 is 217094241.

142490712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142490712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142490713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115137 + ... + 116367.

It is an arithmetic number, because the mean of its divisors is an integer number (3492720).

Almost surely, 2^142490712 is an apocalyptic number.

142490712 is a gapful number since it is divisible by the number (12) 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 142490712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223534080).

142490712 is an abundant number, since it is smaller than the sum of its proper divisors (304577448).

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

142490712 is a wasteful number, since it uses less digits than its factorization.

142490712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 142490712 is about 11936.9473484639. The cubic root of 142490712 is about 522.3106150327.

The spelling of 142490712 in words is "one hundred forty-two million, four hundred ninety thousand, seven hundred twelve".