103142648 has 24 divisors (see below), whose sum is σ = 224967600. Its totient is φ = 44203824.

The previous prime is 103142573. The next prime is 103142653. The reversal of 103142648 is 846241301.

It is a self number, because there is not a number n which added to its sum of digits gives 103142648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131168 + ... + 131951.

It is an arithmetic number, because the mean of its divisors is an integer number (9373650).

Almost surely, 2^103142648 is an apocalyptic number.

It is an amenable number.

103142648 is an abundant number, since it is smaller than the sum of its proper divisors (121824952).

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

103142648 is a wasteful number, since it uses less digits than its factorization.

103142648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263139 (or 263128 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 103142648 is about 10155.9168960759. The cubic root of 103142648 is about 468.9711127972.

Adding to 103142648 its reverse (846241301), we get a palindrome (949383949).

The spelling of 103142648 in words is "one hundred three million, one hundred forty-two thousand, six hundred forty-eight".