142704851 has 4 divisors (see below), whose sum is σ = 151099272. Its totient is φ = 134310432.

The previous prime is 142704847. The next prime is 142704883. The reversal of 142704851 is 158407241.

It is a happy number.

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 142704851 - 2² = 142704847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142704151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4197185 + ... + 4197218.

It is an arithmetic number, because the mean of its divisors is an integer number (37774818).

Almost surely, 2^142704851 is an apocalyptic number.

142704851 is a deficient number, since it is larger than the sum of its proper divisors (8394421).

142704851 is an equidigital number, since it uses as much as digits as its factorization.

142704851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8394420.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 142704851 is about 11945.9135690829. The cubic root of 142704851 is about 522.5721317051.

The spelling of 142704851 in words is "one hundred forty-two million, seven hundred four thousand, eight hundred fifty-one".