1549551152 has 20 divisors (see below), whose sum is σ = 3004620936. Its totient is φ = 774165120.

The previous prime is 1549551119. The next prime is 1549551169. The reversal of 1549551152 is 2511559451.

It is a super-2 number, since 2×1549551152² = 4802217545329054208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16853 + ... + 58164.

Almost surely, 2^1549551152 is an apocalyptic number.

It is an amenable number.

1549551152 is a deficient number, since it is larger than the sum of its proper divisors (1455069784).

1549551152 is a wasteful number, since it uses less digits than its factorization.

1549551152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76316 (or 76310 counting only the distinct ones).

The product of its digits is 45000, while the sum is 38.

The square root of 1549551152 is about 39364.3385820212. The cubic root of 1549551152 is about 1157.1828069441.

The spelling of 1549551152 in words is "one billion, five hundred forty-nine million, five hundred fifty-one thousand, one hundred fifty-two".