142344007477 has 8 divisors (see below), whose sum is σ = 163122135296. Its totient is φ = 121676697072.

The previous prime is 142344007427. The next prime is 142344007483. The reversal of 142344007477 is 774700443241.

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

It is not a de Polignac number, because 142344007477 - 2²³ = 142335618869 is a prime.

It is a super-2 number, since 2×142344007477² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142344007427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27701598 + ... + 27706735.

It is an arithmetic number, because the mean of its divisors is an integer number (20390266912).

Almost surely, 2^142344007477 is an apocalyptic number.

It is an amenable number.

142344007477 is a deficient number, since it is larger than the sum of its proper divisors (20778127819).

142344007477 is an equidigital number, since it uses as much as digits as its factorization.

142344007477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55408707.

The product of its (nonzero) digits is 526848, while the sum is 43.

The spelling of 142344007477 in words is "one hundred forty-two billion, three hundred forty-four million, seven thousand, four hundred seventy-seven".