142103855 has 4 divisors (see below), whose sum is σ = 170524632. Its totient is φ = 113683080.

The previous prime is 142103837. The next prime is 142103887. The reversal of 142103855 is 558301241.

142103855 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.

It is not a de Polignac number, because 142103855 - 2¹² = 142099759 is a prime.

It is a super-2 number, since 2×142103855² = 40387011211722050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14210381 + ... + 14210390.

It is an arithmetic number, because the mean of its divisors is an integer number (42631158).

Almost surely, 2^142103855 is an apocalyptic number.

142103855 is a deficient number, since it is larger than the sum of its proper divisors (28420777).

142103855 is an equidigital number, since it uses as much as digits as its factorization.

142103855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28420776.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 142103855 is about 11920.7321503337. The cubic root of 142103855 is about 521.8375019611.

The spelling of 142103855 in words is "one hundred forty-two million, one hundred three thousand, eight hundred fifty-five".