1550032245 has 18 divisors (see below), whose sum is σ = 2687180418. Its totient is φ = 826543008.

The previous prime is 1550032243. The next prime is 1550032283. The reversal of 1550032245 is 5422300551.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 33942276 + 1516089969 = 5826^2 + 38937^2 .

It is not a de Polignac number, because 1550032245 - 2¹ = 1550032243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550032243) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 261171 + ... + 267039.

It is an arithmetic number, because the mean of its divisors is an integer number (149287801).

Almost surely, 2^1550032245 is an apocalyptic number.

1550032245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1550032245 is a deficient number, since it is larger than the sum of its proper divisors (1137148173).

1550032245 is an frugal number, since it uses more digits than its factorization.

1550032245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11749 (or 5877 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1550032245 is about 39370.4488798388. The cubic root of 1550032245 is about 1157.3025523604.

Adding to 1550032245 its reverse (5422300551), we get a palindrome (6972332796).

The spelling of 1550032245 in words is "one billion, five hundred fifty million, thirty-two thousand, two hundred forty-five".