1455390983 has 2 divisors, whose sum is σ = 1455390984. Its totient is φ = 1455390982.

The previous prime is 1455390953. The next prime is 1455391019. The reversal of 1455390983 is 3890935541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1455390983 - 2⁶ = 1455390919 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1455390913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727695491 + 727695492.

It is an arithmetic number, because the mean of its divisors is an integer number (727695492).

Almost surely, 2^1455390983 is an apocalyptic number.

1455390983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455390983 is an equidigital number, since it uses as much as digits as its factorization.

1455390983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 1455390983 is about 38149.5869309223. The cubic root of 1455390983 is about 1133.2521716293.

The spelling of 1455390983 in words is "one billion, four hundred fifty-five million, three hundred ninety thousand, nine hundred eighty-three".