103142646 has 40 divisors (see below), whose sum is σ = 231695640. Its totient is φ = 34294752.

The previous prime is 103142573. The next prime is 103142653. The reversal of 103142646 is 646241301.

103142646 is a `hidden beast` number, since 1 + 0 + 3 + 14 + 2 + 646 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 127090 + ... + 127898.

It is an arithmetic number, because the mean of its divisors is an integer number (5792391).

Almost surely, 2^103142646 is an apocalyptic number.

103142646 is an abundant number, since it is smaller than the sum of its proper divisors (128552994).

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

103142646 is an equidigital number, since it uses as much as digits as its factorization.

103142646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610 (or 1601 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 103142646 is about 10155.9167976111. The cubic root of 103142646 is about 468.9711097659.

Adding to 103142646 its reverse (646241301), we get a palindrome (749383947).

The spelling of 103142646 in words is "one hundred three million, one hundred forty-two thousand, six hundred forty-six".