1449857929 has 27 divisors (see below), whose sum is σ = 1642226079. Its totient is φ = 1279387200.

The previous prime is 1449857911. The next prime is 1449857953. The reversal of 1449857929 is 9297589441.

The square root of 1449857929 is 38077.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 416364025 + 1033493904 = 20405^2 + 32148^2 .

It is not a de Polignac number, because 1449857929 - 2⁵ = 1449857897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1449851929) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 14354979 + ... + 14355079.

Almost surely, 2^1449857929 is an apocalyptic number.

1449857929 is the 38077-th square number.

1449857929 is the 19039-th centered octagonal number.

It is an amenable number.

1449857929 is a deficient number, since it is larger than the sum of its proper divisors (192368150).

1449857929 is an equidigital number, since it uses as much as digits as its factorization.

1449857929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 143 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 58.

The cubic root of 1449857929 is about 1131.8142284955.

It can be divided in two parts, 14498 and 57929, that added together give a palindrome (72427).

The spelling of 1449857929 in words is "one billion, four hundred forty-nine million, eight hundred fifty-seven thousand, nine hundred twenty-nine".