1454455147 has 4 divisors (see below), whose sum is σ = 1478298736. Its totient is φ = 1430611560.

The previous prime is 1454455109. The next prime is 1454455169. The reversal of 1454455147 is 7415544541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1454455147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1454455447) 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 in 3 ways as a sum of consecutive naturals, for example, 11921703 + ... + 11921824.

It is an arithmetic number, because the mean of its divisors is an integer number (369574684).

Almost surely, 2^1454455147 is an apocalyptic number.

1454455147 is a deficient number, since it is larger than the sum of its proper divisors (23843589).

1454455147 is an equidigital number, since it uses as much as digits as its factorization.

1454455147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23843588.

The product of its digits is 224000, while the sum is 40.

The square root of 1454455147 is about 38137.3196095373. The cubic root of 1454455147 is about 1133.0092207461.

Adding to 1454455147 its reverse (7415544541), we get a palindrome (8869999688).

The spelling of 1454455147 in words is "one billion, four hundred fifty-four million, four hundred fifty-five thousand, one hundred forty-seven".