145044423 has 12 divisors (see below), whose sum is σ = 220535640. Its totient is φ = 91606896.

The previous prime is 145044421. The next prime is 145044439. The reversal of 145044423 is 324440541.

It is a happy number.

145044423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145044423 - 2¹ = 145044421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145044421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423936 + ... + 424277.

It is an arithmetic number, because the mean of its divisors is an integer number (18377970).

Almost surely, 2^145044423 is an apocalyptic number.

145044423 is a deficient number, since it is larger than the sum of its proper divisors (75491217).

145044423 is a wasteful number, since it uses less digits than its factorization.

145044423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848238 (or 848235 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 145044423 is about 12043.4390022120. The cubic root of 145044423 is about 525.4124323769.

Adding to 145044423 its reverse (324440541), we get a palindrome (469484964).

The spelling of 145044423 in words is "one hundred forty-five million, forty-four thousand, four hundred twenty-three".