142551361 has 8 divisors (see below), whose sum is σ = 147571200. Its totient is φ = 137557920.

The previous prime is 142551359. The next prime is 142551371. The reversal of 142551361 is 163155241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142551361 - 2¹ = 142551359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142551371) 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 7 ways as a sum of consecutive naturals, for example, 4725 + ... + 17533.

It is an arithmetic number, because the mean of its divisors is an integer number (18446400).

Almost surely, 2^142551361 is an apocalyptic number.

It is an amenable number.

142551361 is a deficient number, since it is larger than the sum of its proper divisors (5019839).

142551361 is a wasteful number, since it uses less digits than its factorization.

142551361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13199.

The product of its digits is 3600, while the sum is 28.

The square root of 142551361 is about 11939.4874680616. The cubic root of 142551361 is about 522.3847090391.

The spelling of 142551361 in words is "one hundred forty-two million, five hundred fifty-one thousand, three hundred sixty-one".