1449749147 has 16 divisors (see below), whose sum is σ = 1819007232. Its totient is φ = 1122469920.

The previous prime is 1449749129. The next prime is 1449749173. The reversal of 1449749147 is 7419479441.

It is a happy number.

It is not a de Polignac number, because 1449749147 - 2⁶ = 1449749083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1449749095 and 1449749104.

It is not an unprimeable number, because it can be changed into a prime (1449749177) 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 15 ways as a sum of consecutive naturals, for example, 47873 + ... + 72050.

It is an arithmetic number, because the mean of its divisors is an integer number (113687952).

Almost surely, 2^1449749147 is an apocalyptic number.

1449749147 is a deficient number, since it is larger than the sum of its proper divisors (369258085).

1449749147 is a wasteful number, since it uses less digits than its factorization.

1449749147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120098.

The product of its digits is 1016064, while the sum is 50.

The square root of 1449749147 is about 38075.5715255858. The cubic root of 1449749147 is about 1131.7859213324.

The spelling of 1449749147 in words is "one billion, four hundred forty-nine million, seven hundred forty-nine thousand, one hundred forty-seven".