1449905554 has 8 divisors (see below), whose sum is σ = 2302791228. Its totient is φ = 682308480.

The previous prime is 1449905539. The next prime is 1449905573. The reversal of 1449905554 is 4555099441.

It can be written as a sum of positive squares in 2 ways, for example, as 1434515625 + 15389929 = 37875^2 + 3923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×1449905554⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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, 21322107 + ... + 21322174.

Almost surely, 2^1449905554 is an apocalyptic number.

1449905554 is a deficient number, since it is larger than the sum of its proper divisors (852885674).

1449905554 is a wasteful number, since it uses less digits than its factorization.

1449905554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42644300.

The product of its (nonzero) digits is 648000, while the sum is 46.

The square root of 1449905554 is about 38077.6253723890. The cubic root of 1449905554 is about 1131.8266209884.

It can be divided in two parts, 144990 and 5554, that added together give a square (150544 = 388²).

The spelling of 1449905554 in words is "one billion, four hundred forty-nine million, nine hundred five thousand, five hundred fifty-four".