451507141 has 2 divisors, whose sum is σ = 451507142.
Its totient is φ = 451507140.
The previous prime is 451507139. The next prime is 451507169. The reversal of 451507141 is 141705154.
It is an a-pointer prime, because the next prime (451507169) can be obtained adding 451507141 to its sum of digits (28).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 412943041 + 38564100 = 20321^2 + 6210^2
It is a cyclic number.
It is not a de Polignac number, because 451507141 - 21 = 451507139 is a prime.
Together with 451507139, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (451577141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225753570 + 225753571.
It is an arithmetic number, because the mean of its divisors is an integer number (225753571).
Almost surely, 2451507141 is an apocalyptic number.
It is an amenable number.
451507141 is a deficient number, since it is larger than the sum of its proper divisors (1).
451507141 is an equidigital number, since it uses as much as digits as its factorization.
451507141 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2800, while the sum is 28.
The square root of 451507141 is about 21248.6973953699.
The cubic root of 451507141 is about 767.1639874944.
The spelling of 451507141 in words is "four hundred fifty-one million, five hundred seven thousand, one hundred forty-one".