145634315 has 4 divisors (see below), whose sum is σ = 174761184. Its totient is φ = 116507448.

The previous prime is 145634309. The next prime is 145634323. The reversal of 145634315 is 513436541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513436541 = 6661 ⋅77081.

It is a cyclic number.

It is not a de Polignac number, because 145634315 - 2¹⁴ = 145617931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14563427 + ... + 14563436.

It is an arithmetic number, because the mean of its divisors is an integer number (43690296).

Almost surely, 2^145634315 is an apocalyptic number.

145634315 is a deficient number, since it is larger than the sum of its proper divisors (29126869).

145634315 is an equidigital number, since it uses as much as digits as its factorization.

145634315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29126868.

The product of its digits is 21600, while the sum is 32.

The square root of 145634315 is about 12067.9043333961. The cubic root of 145634315 is about 526.1237486362.

The spelling of 145634315 in words is "one hundred forty-five million, six hundred thirty-four thousand, three hundred fifteen".