1449861554 has 16 divisors (see below), whose sum is σ = 2250763200. Its totient is φ = 699628944.

The previous prime is 1449861551. The next prime is 1449861571. The reversal of 1449861554 is 4551689441.

It is a junction number, because it is equal to n+sod(n) for n = 1449861499 and 1449861508.

It is not an unprimeable number, because it can be changed into a prime (1449861551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188027 + ... + 195585.

It is an arithmetic number, because the mean of its divisors is an integer number (140672700).

Almost surely, 2^1449861554 is an apocalyptic number.

1449861554 is a deficient number, since it is larger than the sum of its proper divisors (800901646).

1449861554 is a wasteful number, since it uses less digits than its factorization.

1449861554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10897.

The product of its digits is 691200, while the sum is 47.

The square root of 1449861554 is about 38077.0476008842. The cubic root of 1449861554 is about 1131.8151717657.

The spelling of 1449861554 in words is "one billion, four hundred forty-nine million, eight hundred sixty-one thousand, five hundred fifty-four".