16457145 has 8 divisors (see below), whose sum is σ = 26331456. Its totient is φ = 8777136.

The previous prime is 16457131. The next prime is 16457153. The reversal of 16457145 is 54175461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16457145 - 2⁸ = 16456889 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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, 548557 + ... + 548586.

It is an arithmetic number, because the mean of its divisors is an integer number (3291432).

Almost surely, 2^16457145 is an apocalyptic number.

16457145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16457145 is a deficient number, since it is larger than the sum of its proper divisors (9874311).

16457145 is a wasteful number, since it uses less digits than its factorization.

16457145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097151.

The product of its digits is 16800, while the sum is 33.

The square root of 16457145 is about 4056.7406868076. The cubic root of 16457145 is about 254.3615709476.

The spelling of 16457145 in words is "sixteen million, four hundred fifty-seven thousand, one hundred forty-five".