142857045 has 24 divisors (see below), whose sum is σ = 256159800. Its totient is φ = 73562496.

The previous prime is 142857031. The next prime is 142857047. The reversal of 142857045 is 540758241.

142857045 is a `hidden beast` number, since 1 + 42 + 8 + 570 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 37527876 + 105329169 = 6126^2 + 10263^2 .

It is not a de Polignac number, because 142857045 - 2⁶ = 142856981 is a prime.

It is a super-2 number, since 2×142857045² = 40816270612264050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142857047) 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 23 ways as a sum of consecutive naturals, for example, 53430 + ... + 56039.

It is an arithmetic number, because the mean of its divisors is an integer number (10673325).

Almost surely, 2^142857045 is an apocalyptic number.

142857045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142857045 is a deficient number, since it is larger than the sum of its proper divisors (113302755).

142857045 is a wasteful number, since it uses less digits than its factorization.

142857045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109509 (or 109506 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 142857045 is about 11952.2819996852. The cubic root of 142857045 is about 522.7578392116.

The spelling of 142857045 in words is "one hundred forty-two million, eight hundred fifty-seven thousand, forty-five".