145313453 has 8 divisors (see below), whose sum is σ = 147264480. Its totient is φ = 143375440.

The previous prime is 145313449. The next prime is 145313503. The reversal of 145313453 is 354313541.

145313453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 145313453 - 2² = 145313449 is a prime.

It is a super-2 number, since 2×145313453² = 42231999245566418, 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 (145313353) 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, 20351 + ... + 26547.

It is an arithmetic number, because the mean of its divisors is an integer number (18408060).

Almost surely, 2^145313453 is an apocalyptic number.

It is an amenable number.

145313453 is a deficient number, since it is larger than the sum of its proper divisors (1951027).

145313453 is a wasteful number, since it uses less digits than its factorization.

145313453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6507.

The product of its digits is 10800, while the sum is 29.

The square root of 145313453 is about 12054.6029797750. The cubic root of 145313453 is about 525.7370786706.

Adding to 145313453 its reverse (354313541), we get a palindrome (499626994).

The spelling of 145313453 in words is "one hundred forty-five million, three hundred thirteen thousand, four hundred fifty-three".