142551113 has 4 divisors (see below), whose sum is σ = 147149568. Its totient is φ = 137952660.

The previous prime is 142551107. The next prime is 142551163. The reversal of 142551113 is 311155241.

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 142551113 - 2¹⁸ = 142288969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142551163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2299181 + ... + 2299242.

It is an arithmetic number, because the mean of its divisors is an integer number (36787392).

Almost surely, 2^142551113 is an apocalyptic number.

It is an amenable number.

142551113 is a deficient number, since it is larger than the sum of its proper divisors (4598455).

142551113 is an equidigital number, since it uses as much as digits as its factorization.

142551113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4598454.

The product of its digits is 600, while the sum is 23.

The square root of 142551113 is about 11939.4770823516. The cubic root of 142551113 is about 522.3844061039.

The spelling of 142551113 in words is "one hundred forty-two million, five hundred fifty-one thousand, one hundred thirteen".