142730 has 16 divisors (see below), whose sum is σ = 293760. Its totient is φ = 48912.

The previous prime is 142711. The next prime is 142733. The reversal of 142730 is 37241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 142699 and 142708.

It is not an unprimeable number, because it can be changed into a prime (142733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950 + ... + 1089.

It is an arithmetic number, because the mean of its divisors is an integer number (18360).

2¹⁴²⁷³⁰ is an apocalyptic number.

142730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142730 is an abundant number, since it is smaller than the sum of its proper divisors (151030).

It is a weird number, because it is abundant, but not a pseudoperfect number.

142730 is a wasteful number, since it uses less digits than its factorization.

142730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 142730 is about 377.7962413789. The cubic root of 142730 is about 52.2602827682.

Adding to 142730 its reverse (37241), we get a palindrome (179971).

It can be divided in two parts, 14 and 2730, that added together give a cube (2744 = 14³).

The spelling of 142730 in words is "one hundred forty-two thousand, seven hundred thirty".