1550541345 has 8 divisors (see below), whose sum is σ = 2480866176. Its totient is φ = 826955376.

The previous prime is 1550541337. The next prime is 1550541373. The reversal of 1550541345 is 5431450551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1550541345 - 2³ = 1550541337 is a prime.

It is a super-3 number, since 3×1550541345³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51684697 + ... + 51684726.

It is an arithmetic number, because the mean of its divisors is an integer number (310108272).

Almost surely, 2^1550541345 is an apocalyptic number.

1550541345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1550541345 is a deficient number, since it is larger than the sum of its proper divisors (930324831).

1550541345 is a wasteful number, since it uses less digits than its factorization.

1550541345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103369431.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 1550541345 is about 39376.9138582495. The cubic root of 1550541345 is about 1157.4292418187.

Adding to 1550541345 its reverse (5431450551), we get a palindrome (6981991896).

The spelling of 1550541345 in words is "one billion, five hundred fifty million, five hundred forty-one thousand, three hundred forty-five".