142472 has 16 divisors (see below), whose sum is σ = 291600. Its totient is φ = 64720.
The previous prime is 142469. The next prime is 142501. The reversal of 142472 is 274241.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722 + ... + 897.
It is an arithmetic number, because the mean of its divisors is an integer number (18225).
2142472 is an apocalyptic number.
It is an amenable number.
142472 is an abundant number, since it is smaller than the sum of its proper divisors (149128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142472 is a wasteful number, since it uses less digits than its factorization.
142472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1636 (or 1632 counting only the distinct ones).
The product of its digits is 448, while the sum is 20.
The square root of 142472 is about 377.4546330355. The cubic root of 142472 is about 52.2287750609.
Subtracting 142472 from its reverse (274241), we obtain a square (131769 = 3632).
The spelling of 142472 in words is "one hundred forty-two thousand, four hundred seventy-two", and thus it is an iban number.
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