145653453 has 24 divisors (see below), whose sum is σ = 231001056. Its totient is φ = 87703200.

The previous prime is 145653437. The next prime is 145653461. The reversal of 145653453 is 354356541.

145653453 is a `hidden beast` number, since 14 + 565 + 34 + 53 = 666.

It is not a de Polignac number, because 145653453 - 2⁴ = 145653437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145653493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10858 + ... + 20228.

It is an arithmetic number, because the mean of its divisors is an integer number (9625044).

Almost surely, 2^145653453 is an apocalyptic number.

It is an amenable number.

145653453 is a deficient number, since it is larger than the sum of its proper divisors (85347603).

145653453 is a wasteful number, since it uses less digits than its factorization.

145653453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9545 (or 9542 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 145653453 is about 12068.6972370675. The cubic root of 145653453 is about 526.1467938352.

The spelling of 145653453 in words is "one hundred forty-five million, six hundred fifty-three thousand, four hundred fifty-three".