142473 has 4 divisors (see below), whose sum is σ = 189968. Its totient is φ = 94980.

The previous prime is 142469. The next prime is 142501. The reversal of 142473 is 374241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 142473 - 2² = 142469 is a prime.

It is a d-powerful number, because it can be written as 1 + 4 + 4⁷ + 2¹³ + 7⁶ + 3⁵ .

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142473.

It is not an unprimeable number, because it can be changed into a prime (142403) 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 3 ways as a sum of consecutive naturals, for example, 23743 + ... + 23748.

It is an arithmetic number, because the mean of its divisors is an integer number (47492).

2¹⁴²⁴⁷³ is an apocalyptic number.

It is an amenable number.

142473 is a deficient number, since it is larger than the sum of its proper divisors (47495).

142473 is an equidigital number, since it uses as much as digits as its factorization.

142473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47494.

The product of its digits is 672, while the sum is 21.

The square root of 142473 is about 377.4559576957. The cubic root of 142473 is about 52.2288972572.

The spelling of 142473 in words is "one hundred forty-two thousand, four hundred seventy-three", and thus it is an iban number.