142070784 has 88 divisors (see below), whose sum is σ = 383198400. Its totient is φ = 46792704.

The previous prime is 142070777. The next prime is 142070821. The reversal of 142070784 is 487070241.

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 7 ways as a sum of consecutive naturals, for example, 316192 + ... + 316640.

Almost surely, 2^142070784 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 142070784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191599200).

142070784 is an abundant number, since it is smaller than the sum of its proper divisors (241127616).

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

142070784 is a wasteful number, since it uses less digits than its factorization.

142070784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 142070784 is about 11919.3449484441. The cubic root of 142070784 is about 521.7970174226.

The spelling of 142070784 in words is "one hundred forty-two million, seventy thousand, seven hundred eighty-four".