145144023 has 8 divisors (see below), whose sum is σ = 193648128. Its totient is φ = 96701304.

The previous prime is 145144003. The next prime is 145144039. The reversal of 145144023 is 320441541.

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

It is a de Polignac number, because none of the positive numbers 2^k-145144023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145143984 and 145144002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145144003) 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, 9511 + ... + 19512.

It is an arithmetic number, because the mean of its divisors is an integer number (24206016).

Almost surely, 2^145144023 is an apocalyptic number.

145144023 is a deficient number, since it is larger than the sum of its proper divisors (48504105).

145144023 is a wasteful number, since it uses less digits than its factorization.

145144023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30693.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 145144023 is about 12047.5733241180. The cubic root of 145144023 is about 525.5326693438.

Adding to 145144023 its reverse (320441541), we get a palindrome (465585564).

The spelling of 145144023 in words is "one hundred forty-five million, one hundred forty-four thousand, twenty-three".