1449878147 has 2 divisors, whose sum is σ = 1449878148. Its totient is φ = 1449878146.

The previous prime is 1449878119. The next prime is 1449878173. The reversal of 1449878147 is 7418789441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1449878147 - 2³⁰ = 376136323 is a prime.

It is a super-2 number, since 2×1449878147² = 4204293282296307218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1449878107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724939073 + 724939074.

It is an arithmetic number, because the mean of its divisors is an integer number (724939074).

Almost surely, 2^1449878147 is an apocalyptic number.

1449878147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449878147 is an equidigital number, since it uses as much as digits as its factorization.

1449878147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1806336, while the sum is 53.

The square root of 1449878147 is about 38077.2654874270. The cubic root of 1449878147 is about 1131.8194894509.

The spelling of 1449878147 in words is "one billion, four hundred forty-nine million, eight hundred seventy-eight thousand, one hundred forty-seven".