1545430345451 has 2 divisors, whose sum is σ = 1545430345452. Its totient is φ = 1545430345450.

The previous prime is 1545430345441. The next prime is 1545430345457.

1545430345451 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 1545430345451 - 2²² = 1545426151147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1545430345457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 772715172725 + 772715172726.

It is an arithmetic number, because the mean of its divisors is an integer number (772715172726).

Almost surely, 2^{1545430345451} is an apocalyptic number.

1545430345451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1545430345451 is an equidigital number, since it uses as much as digits as its factorization.

1545430345451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 1545430345451 in words is "one trillion, five hundred forty-five billion, four hundred thirty million, three hundred forty-five thousand, four hundred fifty-one".