1450455557 has 2 divisors, whose sum is σ = 1450455558. Its totient is φ = 1450455556.

The previous prime is 1450455553. The next prime is 1450455583. The reversal of 1450455557 is 7555540541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1231237921 + 219217636 = 35089^2 + 14806^2 .

It is an emirp because it is prime and its reverse (7555540541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1450455557 - 2² = 1450455553 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1450455551) 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, 725227778 + 725227779.

It is an arithmetic number, because the mean of its divisors is an integer number (725227779).

Almost surely, 2^1450455557 is an apocalyptic number.

It is an amenable number.

1450455557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1450455557 is an equidigital number, since it uses as much as digits as its factorization.

1450455557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 350000, while the sum is 41.

The square root of 1450455557 is about 38084.8468160238. The cubic root of 1450455557 is about 1131.9697175137.

The spelling of 1450455557 in words is "one billion, four hundred fifty million, four hundred fifty-five thousand, five hundred fifty-seven".