145426523 has 8 divisors (see below), whose sum is σ = 158748336. Its totient is φ = 132121600.

The previous prime is 145426499. The next prime is 145426529. The reversal of 145426523 is 325624541.

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 145426523 - 2¹⁸ = 145164379 is a prime.

It is a super-2 number, since 2×145426523² = 42297747183739058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145426523.

It is not an unprimeable number, because it can be changed into a prime (145426529) 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, 19715 + ... + 26067.

It is an arithmetic number, because the mean of its divisors is an integer number (19843542).

Almost surely, 2^145426523 is an apocalyptic number.

145426523 is a deficient number, since it is larger than the sum of its proper divisors (13321813).

145426523 is a wasteful number, since it uses less digits than its factorization.

145426523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445.

The product of its digits is 28800, while the sum is 32.

The square root of 145426523 is about 12059.2919775582. The cubic root of 145426523 is about 525.8734039239.

The spelling of 145426523 in words is "one hundred forty-five million, four hundred twenty-six thousand, five hundred twenty-three".