145345453 has 8 divisors (see below), whose sum is σ = 163673856. Its totient is φ = 127869600.

The previous prime is 145345439. The next prime is 145345457. The reversal of 145345453 is 354543541.

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 145345453 - 2²⁵ = 111791021 is a prime.

It is a super-2 number, since 2×145345453² = 42250601415550418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145345457) 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, 212776 + ... + 213457.

It is an arithmetic number, because the mean of its divisors is an integer number (20459232).

Almost surely, 2^145345453 is an apocalyptic number.

It is an amenable number.

145345453 is a deficient number, since it is larger than the sum of its proper divisors (18328403).

145345453 is a wasteful number, since it uses less digits than its factorization.

145345453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426275.

The product of its digits is 72000, while the sum is 34.

The square root of 145345453 is about 12055.9302005279. The cubic root of 145345453 is about 525.7756673247.

Adding to 145345453 its reverse (354543541), we get a palindrome (499888994).

The spelling of 145345453 in words is "one hundred forty-five million, three hundred forty-five thousand, four hundred fifty-three".