145308573 has 20 divisors (see below), whose sum is σ = 217486368. Its totient is φ = 96684840.

The previous prime is 145308557. The next prime is 145308577. The reversal of 145308573 is 375803541.

It is not a de Polignac number, because 145308573 - 2⁴ = 145308557 is a prime.

It is a super-2 number, since 2×145308573² = 42229162774592658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145308577) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 49690 + ... + 52532.

Almost surely, 2^145308573 is an apocalyptic number.

It is an amenable number.

145308573 is a deficient number, since it is larger than the sum of its proper divisors (72177795).

145308573 is an equidigital number, since it uses as much as digits as its factorization.

145308573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486 (or 3477 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 145308573 is about 12054.4005657685. The cubic root of 145308573 is about 525.7311934030.

The spelling of 145308573 in words is "one hundred forty-five million, three hundred eight thousand, five hundred seventy-three".