1550305142 has 16 divisors (see below), whose sum is σ = 2407242240. Its totient is φ = 747926592.

The previous prime is 1550305121. The next prime is 1550305153. The reversal of 1550305142 is 2415030551.

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 7 ways as a sum of consecutive naturals, for example, 88418 + ... + 104490.

It is an arithmetic number, because the mean of its divisors is an integer number (150452640).

Almost surely, 2^1550305142 is an apocalyptic number.

1550305142 is a deficient number, since it is larger than the sum of its proper divisors (856937098).

1550305142 is a wasteful number, since it uses less digits than its factorization.

1550305142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17767.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1550305142 is about 39373.9144866243. The cubic root of 1550305142 is about 1157.3704661867.

Adding to 1550305142 its reverse (2415030551), we get a palindrome (3965335693).

The spelling of 1550305142 in words is "one billion, five hundred fifty million, three hundred five thousand, one hundred forty-two".