16254545 has 8 divisors (see below), whose sum is σ = 19773096. Its totient is φ = 12825216.

The previous prime is 16254503. The next prime is 16254547. The reversal of 16254545 is 54545261.

16254545 = 156² + 157² + ... + 374².

It can be written as a sum of positive squares in 4 ways, for example, as 2408704 + 13845841 = 1552^2 + 3721^2 .

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 16254545 - 2⁸ = 16254289 is a prime.

It is a Duffinian number.

16254545 is a modest number, since divided by 4545 gives 1625 as remainder.

It is not an unprimeable number, because it can be changed into a prime (16254547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21902 + ... + 22631.

It is an arithmetic number, because the mean of its divisors is an integer number (2471637).

Almost surely, 2^16254545 is an apocalyptic number.

It is an amenable number.

16254545 is a deficient number, since it is larger than the sum of its proper divisors (3518551).

16254545 is an equidigital number, since it uses as much as digits as its factorization.

16254545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44611.

The product of its digits is 24000, while the sum is 32.

The square root of 16254545 is about 4031.6925726052. The cubic root of 16254545 is about 253.3134631614.

The spelling of 16254545 in words is "sixteen million, two hundred fifty-four thousand, five hundred forty-five".