45403451 has 2 divisors, whose sum is σ = 45403452. Its totient is φ = 45403450.

The previous prime is 45403427. The next prime is 45403453. The reversal of 45403451 is 15430454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45403451 - 2⁶ = 45403387 is a prime.

It is a super-2 number, since 2×45403451² = 4122946725418802, which contains 22 as substring.

Together with 45403453, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45403451.

It is not a weakly prime, because it can be changed into another prime (45403453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22701725 + 22701726.

It is an arithmetic number, because the mean of its divisors is an integer number (22701726).

Almost surely, 2^45403451 is an apocalyptic number.

45403451 is a deficient number, since it is larger than the sum of its proper divisors (1).

45403451 is an equidigital number, since it uses as much as digits as its factorization.

45403451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 45403451 is about 6738.2082930108. The cubic root of 45403451 is about 356.7491562002.

It can be divided in two parts, 45403 and 451, that added together give a palindrome (45854).

The spelling of 45403451 in words is "forty-five million, four hundred three thousand, four hundred fifty-one".