142077 has 8 divisors (see below), whose sum is σ = 204064. Its totient is φ = 87408.

The previous prime is 142067. The next prime is 142097. The reversal of 142077 is 770241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142077 - 2⁴ = 142061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142077.

It is not an unprimeable number, because it can be changed into a prime (142007) by changing a digit.

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, 1783 + ... + 1860.

It is an arithmetic number, because the mean of its divisors is an integer number (25508).

2¹⁴²⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

142077 is a deficient number, since it is larger than the sum of its proper divisors (61987).

142077 is a wasteful number, since it uses less digits than its factorization.

142077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3659.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 142077 is about 376.9310281736. The cubic root of 142077 is about 52.1804627345.

The spelling of 142077 in words is "one hundred forty-two thousand, seventy-seven", and thus it is an iban number.