145206423 has 6 divisors (see below), whose sum is σ = 209742624. Its totient is φ = 96804276.

The previous prime is 145206403. The next prime is 145206427. The reversal of 145206423 is 324602541.

145206423 is a `hidden beast` number, since 14 + 5 + 2 + 0 + 642 + 3 = 666.

It is not a de Polignac number, because 145206423 - 2²⁰ = 144157847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145206427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8067015 + ... + 8067032.

It is an arithmetic number, because the mean of its divisors is an integer number (34957104).

Almost surely, 2^145206423 is an apocalyptic number.

145206423 is a deficient number, since it is larger than the sum of its proper divisors (64536201).

145206423 is a wasteful number, since it uses less digits than its factorization.

145206423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16134053 (or 16134050 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 145206423 is about 12050.1627789835. The cubic root of 145206423 is about 525.6079705046.

Adding to 145206423 its reverse (324602541), we get a palindrome (469808964).

The spelling of 145206423 in words is "one hundred forty-five million, two hundred six thousand, four hundred twenty-three".