142402 has 8 divisors (see below), whose sum is σ = 230076. Its totient is φ = 65712.

The previous prime is 142391. The next prime is 142403. The reversal of 142402 is 204241.

It can be written as a sum of positive squares in 2 ways, for example, as 137641 + 4761 = 371^2 + 69^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (142403) 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, 2713 + ... + 2764.

2¹⁴²⁴⁰² is an apocalyptic number.

142402 is a deficient number, since it is larger than the sum of its proper divisors (87674).

142402 is a wasteful number, since it uses less digits than its factorization.

142402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5492.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 142402 is about 377.3618952677. The cubic root of 142402 is about 52.2202198987.

Adding to 142402 its reverse (204241), we get a palindrome (346643).

The spelling of 142402 in words is "one hundred forty-two thousand, four hundred two", and thus it is an iban number.