145725423 has 16 divisors (see below), whose sum is σ = 196485120. Its totient is φ = 96064704.

The previous prime is 145725413. The next prime is 145725443. The reversal of 145725423 is 324527541.

It is not a de Polignac number, because 145725423 - 2¹⁰ = 145724399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145725413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113298 + ... + 114576.

It is an arithmetic number, because the mean of its divisors is an integer number (12280320).

Almost surely, 2^145725423 is an apocalyptic number.

145725423 is a deficient number, since it is larger than the sum of its proper divisors (50759697).

145725423 is a wasteful number, since it uses less digits than its factorization.

145725423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678.

The product of its digits is 33600, while the sum is 33.

The square root of 145725423 is about 12071.6785493982. The cubic root of 145725423 is about 526.2334391081.

The spelling of 145725423 in words is "one hundred forty-five million, seven hundred twenty-five thousand, four hundred twenty-three".