145353423 has 24 divisors (see below), whose sum is σ = 204282000. Its totient is φ = 91822080.

The previous prime is 145353421. The next prime is 145353431. The reversal of 145353423 is 324353541.

It is not a de Polignac number, because 145353423 - 2¹ = 145353421 is a prime.

It is a super-2 number, since 2×145353423² = 42255235155633858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145353421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323503 + ... + 323951.

It is an arithmetic number, because the mean of its divisors is an integer number (8511750).

Almost surely, 2^145353423 is an apocalyptic number.

145353423 is a deficient number, since it is larger than the sum of its proper divisors (58928577).

145353423 is an equidigital number, since it uses as much as digits as its factorization.

145353423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 542 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 145353423 is about 12056.2607387199. The cubic root of 145353423 is about 525.7852774304.

The spelling of 145353423 in words is "one hundred forty-five million, three hundred fifty-three thousand, four hundred twenty-three".