142800547 has 4 divisors (see below), whose sum is σ = 143309016. Its totient is φ = 142292080.

The previous prime is 142800529. The next prime is 142800569. The reversal of 142800547 is 745008241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142800547 - 2⁷ = 142800419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142800347) 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, 253813 + ... + 254374.

It is an arithmetic number, because the mean of its divisors is an integer number (35827254).

Almost surely, 2^142800547 is an apocalyptic number.

142800547 is the 6388-th centered heptagonal number.

142800547 is a deficient number, since it is larger than the sum of its proper divisors (508469).

142800547 is an equidigital number, since it uses as much as digits as its factorization.

142800547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508468.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 142800547 is about 11949.9182842394. The cubic root of 142800547 is about 522.6889156086.

Adding to 142800547 its reverse (745008241), we get a palindrome (887808788).

The spelling of 142800547 in words is "one hundred forty-two million, eight hundred thousand, five hundred forty-seven".