1552154044 has 12 divisors (see below), whose sum is σ = 3104308144. Its totient is φ = 665208864.

The previous prime is 1552154027. The next prime is 1552154063. The reversal of 1552154044 is 4404512551.

It is a happy number.

1552154044 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1552153997 and 1552154015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27717009 + ... + 27717064.

Almost surely, 2^1552154044 is an apocalyptic number.

1552154044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1552154044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1552154044 is a wasteful number, since it uses less digits than its factorization.

1552154044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55434084 (or 55434082 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 1552154044 is about 39397.3862584817. The cubic root of 1552154044 is about 1157.8303787557.

Adding to 1552154044 its reverse (4404512551), we get a palindrome (5956666595).

The spelling of 1552154044 in words is "one billion, five hundred fifty-two million, one hundred fifty-four thousand, forty-four".