1454542109 has 2 divisors, whose sum is σ = 1454542110. Its totient is φ = 1454542108.

The previous prime is 1454542069. The next prime is 1454542127. The reversal of 1454542109 is 9012454541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1405500100 + 49042009 = 37490^2 + 7003^2 .

It is a cyclic number.

It is not a de Polignac number, because 1454542109 - 2¹² = 1454538013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1454542189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727271054 + 727271055.

It is an arithmetic number, because the mean of its divisors is an integer number (727271055).

Almost surely, 2^1454542109 is an apocalyptic number.

It is an amenable number.

1454542109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1454542109 is an equidigital number, since it uses as much as digits as its factorization.

1454542109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 1454542109 is about 38138.4597093275. The cubic root of 1454542109 is about 1133.0318012028.

The spelling of 1454542109 in words is "one billion, four hundred fifty-four million, five hundred forty-two thousand, one hundred nine".