142977848029 has 4 divisors (see below), whose sum is σ = 144103657984. Its totient is φ = 141852038076.

The previous prime is 142977848003. The next prime is 142977848059. The reversal of 142977848029 is 920848779241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 920848779241 = 643 ⋅1432113187.

It is a cyclic number.

It is not a de Polignac number, because 142977848029 - 2⁹ = 142977847517 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 (142977848059) 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 3 ways as a sum of consecutive naturals, for example, 562904787 + ... + 562905040.

It is an arithmetic number, because the mean of its divisors is an integer number (36025914496).

Almost surely, 2^142977848029 is an apocalyptic number.

It is an amenable number.

142977848029 is a deficient number, since it is larger than the sum of its proper divisors (1125809955).

142977848029 is a wasteful number, since it uses less digits than its factorization.

142977848029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125809954.

The product of its (nonzero) digits is 16257024, while the sum is 61.

The spelling of 142977848029 in words is "one hundred forty-two billion, nine hundred seventy-seven million, eight hundred forty-eight thousand, twenty-nine".