142674220 has 48 divisors (see below), whose sum is σ = 331406208. Its totient is φ = 51252480.

The previous prime is 142674199. The next prime is 142674223. The reversal of 142674220 is 22476241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142674223) 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, 2205 + ... + 17035.

It is an arithmetic number, because the mean of its divisors is an integer number (6904296).

Almost surely, 2^142674220 is an apocalyptic number.

142674220 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 142674220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165703104).

142674220 is an abundant number, since it is smaller than the sum of its proper divisors (188731988).

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

142674220 is a wasteful number, since it uses less digits than its factorization.

142674220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14890 (or 14888 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 142674220 is about 11944.6314300610. The cubic root of 142674220 is about 522.5347397214.

The spelling of 142674220 in words is "one hundred forty-two million, six hundred seventy-four thousand, two hundred twenty".