103144020 has 72 divisors (see below), whose sum is σ = 335964384. Its totient is φ = 23575104.

The previous prime is 103144009. The next prime is 103144031. The reversal of 103144020 is 20441301.

It is an interprime number because it is at equal distance from previous prime (103144009) and next prime (103144031).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14602 + ... + 20481.

It is an arithmetic number, because the mean of its divisors is an integer number (4666172).

Almost surely, 2^103144020 is an apocalyptic number.

103144020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103144020 is an abundant number, since it is smaller than the sum of its proper divisors (232820364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103144020 is a wasteful number, since it uses less digits than its factorization.

103144020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35109 (or 35100 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 103144020 is about 10155.9844426821. The cubic root of 103144020 is about 468.9731922005.

Adding to 103144020 its reverse (20441301), we get a palindrome (123585321).

The spelling of 103144020 in words is "one hundred three million, one hundred forty-four thousand, twenty".