103142216 has 32 divisors (see below), whose sum is σ = 197602680. Its totient is φ = 50457600.

The previous prime is 103142209. The next prime is 103142227. The reversal of 103142216 is 612241301.

It can be written as a sum of positive squares in 4 ways, for example, as 89378116 + 13764100 = 9454^2 + 3710^2 .

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, 117170 + ... + 118046.

Almost surely, 2^103142216 is an apocalyptic number.

It is an amenable number.

103142216 is a deficient number, since it is larger than the sum of its proper divisors (94460464).

103142216 is a wasteful number, since it uses less digits than its factorization.

103142216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 103142216 is about 10155.8956276638. The cubic root of 103142216 is about 468.9704580541.

Adding to 103142216 its reverse (612241301), we get a palindrome (715383517).

The spelling of 103142216 in words is "one hundred three million, one hundred forty-two thousand, two hundred sixteen".