142706916 has 81 divisors (see below), whose sum is σ = 398709129. Its totient is φ = 43005600.

The previous prime is 142706903. The next prime is 142706917. The reversal of 142706916 is 619607241.

The square root of 142706916 is 11946.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1572516 + 141134400 = 1254^2 + 11880^2 .

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

It is not an unprimeable number, because it can be changed into a prime (142706917) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 788346 + ... + 788526.

Almost surely, 2^142706916 is an apocalyptic number.

142706916 is the 11946-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142706916

142706916 is an abundant number, since it is smaller than the sum of its proper divisors (256002213).

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

142706916 is a wasteful number, since it uses less digits than its factorization.

142706916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The cubic root of 142706916 is about 522.5746523067.

Multiplying 142706916 by its sum of digits (36), we get a square (5137448976 = 71676²).

142706916 divided by its sum of digits (36) gives a square (3964081 = 1991²).

The spelling of 142706916 in words is "one hundred forty-two million, seven hundred six thousand, nine hundred sixteen".