142604220 has 96 divisors (see below), whose sum is σ = 437472000. Its totient is φ = 34421760.

The previous prime is 142604201. The next prime is 142604237. The reversal of 142604220 is 22406241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285531 + ... + 286029.

It is an arithmetic number, because the mean of its divisors is an integer number (4557000).

Almost surely, 2^142604220 is an apocalyptic number.

142604220 is a gapful number since it is divisible by the number (10) 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 142604220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218736000).

142604220 is an abundant number, since it is smaller than the sum of its proper divisors (294867780).

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

142604220 is a wasteful number, since it uses less digits than its factorization.

142604220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 142604220 is about 11941.7008838775. The cubic root of 142604220 is about 522.4492689770.

The spelling of 142604220 in words is "one hundred forty-two million, six hundred four thousand, two hundred twenty".