142604 has 24 divisors (see below), whose sum is σ = 311808. Its totient is φ = 55440.

The previous prime is 142601. The next prime is 142607. The reversal of 142604 is 406241.

It is an interprime number because it is at equal distance from previous prime (142601) and next prime (142607).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77 + ... + 539.

It is an arithmetic number, because the mean of its divisors is an integer number (12992).

2¹⁴²⁶⁰⁴ is an apocalyptic number.

142604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155904).

142604 is an abundant number, since it is smaller than the sum of its proper divisors (169204).

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

142604 is a wasteful number, since it uses less digits than its factorization.

142604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 483 counting only the distinct ones).

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

The square root of 142604 is about 377.6294480043. The cubic root of 142604 is about 52.2449000311.

Adding to 142604 its reverse (406241), we get a palindrome (548845).

The spelling of 142604 in words is "one hundred forty-two thousand, six hundred four".