142860147 has 16 divisors (see below), whose sum is σ = 197831040. Its totient is φ = 91631232.

The previous prime is 142860143. The next prime is 142860161. The reversal of 142860147 is 741068241.

142860147 = T₁₇₈ + T₁₇₉ + ... + T₉₅₁.

It is not a de Polignac number, because 142860147 - 2² = 142860143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142860143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379 + ... + 16907.

It is an arithmetic number, because the mean of its divisors is an integer number (12364440).

Almost surely, 2^142860147 is an apocalyptic number.

142860147 is a deficient number, since it is larger than the sum of its proper divisors (54970893).

142860147 is a wasteful number, since it uses less digits than its factorization.

142860147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16642.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 142860147 is about 11952.4117649954. The cubic root of 142860147 is about 522.7616229081.

The spelling of 142860147 in words is "one hundred forty-two million, eight hundred sixty thousand, one hundred forty-seven".