16453452 has 12 divisors (see below), whose sum is σ = 38391416. Its totient is φ = 5484480.

The previous prime is 16453447. The next prime is 16453453. The reversal of 16453452 is 25435461.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (16453453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685549 + ... + 685572.

Almost surely, 2^16453452 is an apocalyptic number.

16453452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16453452 is an abundant number, since it is smaller than the sum of its proper divisors (21937964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16453452 is a wasteful number, since it uses less digits than its factorization.

16453452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371128 (or 1371126 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 16453452 is about 4056.2854929110. The cubic root of 16453452 is about 254.3425431929.

Subtracting 16453452 from its reverse (25435461), we obtain a square (8982009 = 2997²).

The spelling of 16453452 in words is "sixteen million, four hundred fifty-three thousand, four hundred fifty-two".