145622 has 8 divisors (see below), whose sum is σ = 231336. Its totient is φ = 68512.

The previous prime is 145603. The next prime is 145633. The reversal of 145622 is 226541.

It is a happy number.

145622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 145594 and 145603.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145622.

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, 2108 + ... + 2175.

It is an arithmetic number, because the mean of its divisors is an integer number (28917).

2¹⁴⁵⁶²² is an apocalyptic number.

145622 is a deficient number, since it is larger than the sum of its proper divisors (85714).

145622 is a wasteful number, since it uses less digits than its factorization.

145622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302.

The product of its digits is 480, while the sum is 20.

The square root of 145622 is about 381.6045073109. The cubic root of 145622 is about 52.6108918348.

It can be divided in two parts, 145 and 622, that added together give a palindrome (767).

The spelling of 145622 in words is "one hundred forty-five thousand, six hundred twenty-two".