145532123 has 8 divisors (see below), whose sum is σ = 159163056. Its totient is φ = 131968000.

The previous prime is 145532111. The next prime is 145532129. The reversal of 145532123 is 321235541.

It is a happy number.

145532123 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 cyclic number.

It is not a de Polignac number, because 145532123 - 2¹⁴ = 145515739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145532092 and 145532101.

It is not an unprimeable number, because it can be changed into a prime (145532129) 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, 12086 + ... + 20907.

It is an arithmetic number, because the mean of its divisors is an integer number (19895382).

Almost surely, 2^145532123 is an apocalyptic number.

145532123 is a deficient number, since it is larger than the sum of its proper divisors (13630933).

145532123 is a wasteful number, since it uses less digits than its factorization.

145532123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33405.

The product of its digits is 3600, while the sum is 26.

The square root of 145532123 is about 12063.6695495193. The cubic root of 145532123 is about 526.0006590131. Note that the first 3 decimals are identical.

Adding to 145532123 its reverse (321235541), we get a palindrome (466767664).

The spelling of 145532123 in words is "one hundred forty-five million, five hundred thirty-two thousand, one hundred twenty-three".