142077479 has 8 divisors (see below), whose sum is σ = 145815072. Its totient is φ = 138385440.

The previous prime is 142077473. The next prime is 142077493. The reversal of 142077479 is 974770241.

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

It is a cyclic number.

It is not a de Polignac number, because 142077479 - 2⁸ = 142077223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142077473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5024 + ... + 17589.

It is an arithmetic number, because the mean of its divisors is an integer number (18226884).

Almost surely, 2^142077479 is an apocalyptic number.

142077479 is a deficient number, since it is larger than the sum of its proper divisors (3737593).

142077479 is a wasteful number, since it uses less digits than its factorization.

142077479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22777.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 142077479 is about 11919.6257911060. The cubic root of 142077479 is about 521.8052137504.

The spelling of 142077479 in words is "one hundred forty-two million, seventy-seven thousand, four hundred seventy-nine".