1550145332 has 6 divisors (see below), whose sum is σ = 2712754338. Its totient is φ = 775072664.

The previous prime is 1550145301. The next prime is 1550145341. The reversal of 1550145332 is 2335410551.

It can be written as a sum of positive squares in only one way, i.e., 912885796 + 637259536 = 30214^2 + 25244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1550145295 and 1550145304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193768163 + ... + 193768170.

It is an arithmetic number, because the mean of its divisors is an integer number (452125723).

Almost surely, 2^1550145332 is an apocalyptic number.

It is an amenable number.

1550145332 is a deficient number, since it is larger than the sum of its proper divisors (1162609006).

1550145332 is a wasteful number, since it uses less digits than its factorization.

1550145332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387536337 (or 387536335 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1550145332 is about 39371.8850450420. The cubic root of 1550145332 is about 1157.3306964397.

Adding to 1550145332 its reverse (2335410551), we get a palindrome (3885555883).

The spelling of 1550145332 in words is "one billion, five hundred fifty million, one hundred forty-five thousand, three hundred thirty-two".