142305457577 has 4 divisors (see below), whose sum is σ = 142416721920. Its totient is φ = 142194193236.

The previous prime is 142305457531. The next prime is 142305457583. The reversal of 142305457577 is 775754503241.

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.

It is a cyclic number.

It is not a de Polignac number, because 142305457577 - 2³² = 138010490281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142305457507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55630253 + ... + 55632810.

It is an arithmetic number, because the mean of its divisors is an integer number (35604180480).

Almost surely, 2^142305457577 is an apocalyptic number.

It is an amenable number.

142305457577 is a deficient number, since it is larger than the sum of its proper divisors (111264343).

142305457577 is a wasteful number, since it uses less digits than its factorization.

142305457577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111264342.

The product of its (nonzero) digits is 4116000, while the sum is 50.

The spelling of 142305457577 in words is "one hundred forty-two billion, three hundred five million, four hundred fifty-seven thousand, five hundred seventy-seven".