145923573 has 8 divisors (see below), whose sum is σ = 195253408. Its totient is φ = 96938064.

The previous prime is 145923559. The next prime is 145923577. The reversal of 145923573 is 375329541.

It is a happy number.

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

It is not a de Polignac number, because 145923573 - 2⁶ = 145923509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145923577) 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, 85090 + ... + 86787.

It is an arithmetic number, because the mean of its divisors is an integer number (24406676).

Almost surely, 2^145923573 is an apocalyptic number.

It is an amenable number.

145923573 is a deficient number, since it is larger than the sum of its proper divisors (49329835).

145923573 is a wasteful number, since it uses less digits than its factorization.

145923573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172163.

The product of its digits is 113400, while the sum is 39.

The square root of 145923573 is about 12079.8829878439. The cubic root of 145923573 is about 526.4718462158.

The spelling of 145923573 in words is "one hundred forty-five million, nine hundred twenty-three thousand, five hundred seventy-three".