142064 has 20 divisors (see below), whose sum is σ = 296856. Its totient is φ = 65472.

The previous prime is 142061. The next prime is 142067. The reversal of 142064 is 460241.

142064 = T₁₇ + T₁₈ + ... + T₉₄.

It is an interprime number because it is at equal distance from previous prime (142061) and next prime (142067).

It is a plaindrome in base 9.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142064.

It is not an unprimeable number, because it can be changed into a prime (142061) 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, 134 + ... + 549.

2¹⁴²⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

142064 is an abundant number, since it is smaller than the sum of its proper divisors (154792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142064 is a wasteful number, since it uses less digits than its factorization.

142064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 142064 is about 376.9137832449. The cubic root of 142064 is about 52.1788711874.

The spelling of 142064 in words is "one hundred forty-two thousand, sixty-four".