4545451 has 2 divisors, whose sum is σ = 4545452. Its totient is φ = 4545450.

The previous prime is 4545449. The next prime is 4545461. The reversal of 4545451 is 1545454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4545451 - 2¹ = 4545449 is a prime.

It is a super-2 number, since 2×4545451² = 41322249586802, which contains 22 as substring.

Together with 4545449, it forms a pair of twin primes.

4545451 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4545461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272725 + 2272726.

It is an arithmetic number, because the mean of its divisors is an integer number (2272726).

Almost surely, 2^4545451 is an apocalyptic number.

4545451 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545451 is an equidigital number, since it uses as much as digits as its factorization.

4545451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8000, while the sum is 28.

The square root of 4545451 is about 2132.0063320731. The cubic root of 4545451 is about 165.6503381669.

The spelling of 4545451 in words is "four million, five hundred forty-five thousand, four hundred fifty-one".