145452313 has 8 divisors (see below), whose sum is σ = 151620480. Its totient is φ = 139361040.

The previous prime is 145452311. The next prime is 145452319. The reversal of 145452313 is 313254541.

145452313 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 145452313 - 2¹ = 145452311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145452311) 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, 15345 + ... + 22942.

It is an arithmetic number, because the mean of its divisors is an integer number (18952560).

Almost surely, 2^145452313 is an apocalyptic number.

It is an amenable number.

145452313 is a deficient number, since it is larger than the sum of its proper divisors (6168167).

145452313 is a wasteful number, since it uses less digits than its factorization.

145452313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38447.

The product of its digits is 7200, while the sum is 28.

The square root of 145452313 is about 12060.3612300793. The cubic root of 145452313 is about 525.9044882891.

The spelling of 145452313 in words is "one hundred forty-five million, four hundred fifty-two thousand, three hundred thirteen".