142094784 has 56 divisors (see below), whose sum is σ = 404886160. Its totient is φ = 43720704.

The previous prime is 142094767. The next prime is 142094831. The reversal of 142094784 is 487490241.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25969 + ... + 30960.

It is an arithmetic number, because the mean of its divisors is an integer number (7230110).

Almost surely, 2^142094784 is an apocalyptic number.

It is an amenable number.

142094784 is an abundant number, since it is smaller than the sum of its proper divisors (262791376).

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

142094784 is a wasteful number, since it uses less digits than its factorization.

142094784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56957 (or 56947 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 142094784 is about 11920.3516726647. The cubic root of 142094784 is about 521.8263981368.

The spelling of 142094784 in words is "one hundred forty-two million, ninety-four thousand, seven hundred eighty-four".