145714453 has 4 divisors (see below), whose sum is σ = 152049888. Its totient is φ = 139379020.

The previous prime is 145714447. The next prime is 145714469. The reversal of 145714453 is 354417541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 354417541 = 103 ⋅3440947.

It is a cyclic number.

It is not a de Polignac number, because 145714453 - 2⁹ = 145713941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145714403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3167683 + ... + 3167728.

It is an arithmetic number, because the mean of its divisors is an integer number (38012472).

Almost surely, 2^145714453 is an apocalyptic number.

It is an amenable number.

145714453 is a deficient number, since it is larger than the sum of its proper divisors (6335435).

145714453 is an equidigital number, since it uses as much as digits as its factorization.

145714453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6335434.

The product of its digits is 33600, while the sum is 34.

The square root of 145714453 is about 12071.2241715577. The cubic root of 145714453 is about 526.2202340783.

The spelling of 145714453 in words is "one hundred forty-five million, seven hundred fourteen thousand, four hundred fifty-three".