545440151 has 2 divisors, whose sum is σ = 545440152. Its totient is φ = 545440150.

The previous prime is 545440111. The next prime is 545440153. The reversal of 545440151 is 151044545.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545440151 is a prime.

Together with 545440153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545440153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272720075 + 272720076.

It is an arithmetic number, because the mean of its divisors is an integer number (272720076).

Almost surely, 2^545440151 is an apocalyptic number.

545440151 is a deficient number, since it is larger than the sum of its proper divisors (1).

545440151 is an equidigital number, since it uses as much as digits as its factorization.

545440151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 545440151 is about 23354.6601559517. The cubic root of 545440151 is about 817.0507532391.

Adding to 545440151 its reverse (151044545), we get a palindrome (696484696).

The spelling of 545440151 in words is "five hundred forty-five million, four hundred forty thousand, one hundred fifty-one".