451453545 has 48 divisors (see below), whose sum is σ = 830494080. Its totient is φ = 226372608.

The previous prime is 451453507. The next prime is 451453549. The reversal of 451453545 is 545354154.

It is not a de Polignac number, because 451453545 - 2⁹ = 451453033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (451453549) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57369 + ... + 64761.

It is an arithmetic number, because the mean of its divisors is an integer number (17301960).

Almost surely, 2^451453545 is an apocalyptic number.

451453545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

451453545 is a deficient number, since it is larger than the sum of its proper divisors (379040535).

451453545 is a wasteful number, since it uses less digits than its factorization.

451453545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7486 (or 7483 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 451453545 is about 21247.4361982805. The cubic root of 451453545 is about 767.1336309808.

The spelling of 451453545 in words is "four hundred fifty-one million, four hundred fifty-three thousand, five hundred forty-five".