145642 has 16 divisors (see below), whose sum is σ = 254592. Its totient is φ = 61200.

The previous prime is 145637. The next prime is 145643. The reversal of 145642 is 246541.

145642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145643) by changing a digit.

145642 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1363 + ... + 1465.

It is an arithmetic number, because the mean of its divisors is an integer number (15912).

2¹⁴⁵⁶⁴² is an apocalyptic number.

145642 is a deficient number, since it is larger than the sum of its proper divisors (108950).

145642 is a wasteful number, since it uses less digits than its factorization.

145642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213.

The product of its digits is 960, while the sum is 22.

The square root of 145642 is about 381.6307115524. The cubic root of 145642 is about 52.6133002842.

It can be divided in two parts, 145 and 642, that added together give a palindrome (787).

The spelling of 145642 in words is "one hundred forty-five thousand, six hundred forty-two".