142234453957 has 4 divisors (see below), whose sum is σ = 145542232000. Its totient is φ = 138926675916.

The previous prime is 142234453951. The next prime is 142234453993. The reversal of 142234453957 is 759354432241.

142234453957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 759354432241 = 8627 ⋅88020683.

It is a cyclic number.

It is not a de Polignac number, because 142234453957 - 2³⁵ = 107874715589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142234453957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142234453951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1653888957 + ... + 1653889042.

It is an arithmetic number, because the mean of its divisors is an integer number (36385558000).

Almost surely, 2^142234453957 is an apocalyptic number.

It is an amenable number.

142234453957 is a deficient number, since it is larger than the sum of its proper divisors (3307778043).

142234453957 is an equidigital number, since it uses as much as digits as its factorization.

142234453957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307778042.

The product of its digits is 3628800, while the sum is 49.

The spelling of 142234453957 in words is "one hundred forty-two billion, two hundred thirty-four million, four hundred fifty-three thousand, nine hundred fifty-seven".