142412077477 has 8 divisors (see below), whose sum is σ = 143286143616. Its totient is φ = 141538265232.

The previous prime is 142412077471. The next prime is 142412077499. The reversal of 142412077477 is 774770214241.

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 142412077477 - 2³¹ = 140264593829 is a prime.

It is a super-2 number, since 2×142412077477² (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 (142412077471) 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, 1130383 + ... + 1250035.

It is an arithmetic number, because the mean of its divisors is an integer number (17910767952).

Almost surely, 2^142412077477 is an apocalyptic number.

It is an amenable number.

142412077477 is a deficient number, since it is larger than the sum of its proper divisors (874066139).

142412077477 is a wasteful number, since it uses less digits than its factorization.

142412077477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126947.

The product of its (nonzero) digits is 614656, while the sum is 46.

The spelling of 142412077477 in words is "one hundred forty-two billion, four hundred twelve million, seventy-seven thousand, four hundred seventy-seven".