145242845 has 8 divisors (see below), whose sum is σ = 190136160. Its totient is φ = 105631120.

The previous prime is 145242809. The next prime is 145242857. The reversal of 145242845 is 548242541.

145242845 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 not a de Polignac number, because 145242845 - 2⁸ = 145242589 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, 1320335 + ... + 1320444.

It is an arithmetic number, because the mean of its divisors is an integer number (23767020).

Almost surely, 2^145242845 is an apocalyptic number.

It is an amenable number.

145242845 is a deficient number, since it is larger than the sum of its proper divisors (44893315).

145242845 is a wasteful number, since it uses less digits than its factorization.

145242845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640795.

The product of its digits is 51200, while the sum is 35.

The square root of 145242845 is about 12051.6739501200. The cubic root of 145242845 is about 525.6519127599.

The spelling of 145242845 in words is "one hundred forty-five million, two hundred forty-two thousand, eight hundred forty-five".