16125454 has 4 divisors (see below), whose sum is σ = 24188184. Its totient is φ = 8062726.

The previous prime is 16125443. The next prime is 16125457. The reversal of 16125454 is 45452161.

16125454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×16125454² = 520060533412232, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16125457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4031362 + ... + 4031365.

It is an arithmetic number, because the mean of its divisors is an integer number (6047046).

Almost surely, 2^16125454 is an apocalyptic number.

16125454 is a deficient number, since it is larger than the sum of its proper divisors (8062730).

16125454 is an equidigital number, since it uses as much as digits as its factorization.

16125454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8062729.

The product of its digits is 4800, while the sum is 28.

The square root of 16125454 is about 4015.6511302652. The cubic root of 16125454 is about 252.6410883558.

The spelling of 16125454 in words is "sixteen million, one hundred twenty-five thousand, four hundred fifty-four".