145653445 has 8 divisors (see below), whose sum is σ = 199753344. Its totient is φ = 99876624.

The previous prime is 145653437. The next prime is 145653461. The reversal of 145653445 is 544356541.

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 145653445 - 2³ = 145653437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2080729 + ... + 2080798.

It is an arithmetic number, because the mean of its divisors is an integer number (24969168).

Almost surely, 2^145653445 is an apocalyptic number.

It is an amenable number.

145653445 is a deficient number, since it is larger than the sum of its proper divisors (54099899).

145653445 is an equidigital number, since it uses as much as digits as its factorization.

145653445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161539.

The product of its digits is 144000, while the sum is 37.

The square root of 145653445 is about 12068.6969056315. The cubic root of 145653445 is about 526.1467842023.

The spelling of 145653445 in words is "one hundred forty-five million, six hundred fifty-three thousand, four hundred forty-five".