1550104144 has 20 divisors (see below), whose sum is σ = 3059994996. Its totient is φ = 760428032.

The previous prime is 1550104141. The next prime is 1550104147. The reversal of 1550104144 is 4414010551.

It is an interprime number because it is at equal distance from previous prime (1550104141) and next prime (1550104147).

It can be written as a sum of positive squares in 2 ways, for example, as 1428840000 + 121264144 = 37800^2 + 11012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550104141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913129 + ... + 914824.

Almost surely, 2^1550104144 is an apocalyptic number.

It is an amenable number.

1550104144 is a deficient number, since it is larger than the sum of its proper divisors (1509890852).

1550104144 is a wasteful number, since it uses less digits than its factorization.

1550104144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828014 (or 1828008 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1550104144 is about 39371.3619779657. The cubic root of 1550104144 is about 1157.3204460978.

Adding to 1550104144 its reverse (4414010551), we get a palindrome (5964114695).

The spelling of 1550104144 in words is "one billion, five hundred fifty million, one hundred four thousand, one hundred forty-four".