103144551 has 8 divisors (see below), whose sum is σ = 138023664. Its totient is φ = 68514240.

The previous prime is 103144543. The next prime is 103144609. The reversal of 103144551 is 155441301.

It is a happy number.

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

It is not a de Polignac number, because 103144551 - 2³ = 103144543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103144501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61230 + ... + 62891.

It is an arithmetic number, because the mean of its divisors is an integer number (17252958).

Almost surely, 2^103144551 is an apocalyptic number.

103144551 is a deficient number, since it is larger than the sum of its proper divisors (34879113).

103144551 is a wasteful number, since it uses less digits than its factorization.

103144551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124401.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 103144551 is about 10156.0105848704. The cubic root of 103144551 is about 468.9739969793.

Adding to 103144551 its reverse (155441301), we get a palindrome (258585852).

The spelling of 103144551 in words is "one hundred three million, one hundred forty-four thousand, five hundred fifty-one".