1455356197 has 2 divisors, whose sum is σ = 1455356198. Its totient is φ = 1455356196.

The previous prime is 1455356191. The next prime is 1455356237. The reversal of 1455356197 is 7916535541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 804800161 + 650556036 = 28369^2 + 25506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1455356197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1455356191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727678098 + 727678099.

It is an arithmetic number, because the mean of its divisors is an integer number (727678099).

Almost surely, 2^1455356197 is an apocalyptic number.

It is an amenable number.

1455356197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455356197 is an equidigital number, since it uses as much as digits as its factorization.

1455356197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 567000, while the sum is 46.

The square root of 1455356197 is about 38149.1310123835. The cubic root of 1455356197 is about 1133.2431427555.

The spelling of 1455356197 in words is "one billion, four hundred fifty-five million, three hundred fifty-six thousand, one hundred ninety-seven".