103142214 has 32 divisors (see below), whose sum is σ = 261949440. Its totient is φ = 29469096.

The previous prime is 103142209. The next prime is 103142227. The reversal of 103142214 is 412241301.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 15 ways as a sum of consecutive naturals, for example, 136054 + ... + 136809.

It is an arithmetic number, because the mean of its divisors is an integer number (8185920).

Almost surely, 2^103142214 is an apocalyptic number.

103142214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

103142214 is an abundant number, since it is smaller than the sum of its proper divisors (158807226).

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

103142214 is a wasteful number, since it uses less digits than its factorization.

103142214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272881 (or 272875 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 103142214 is about 10155.8955291988. The cubic root of 103142214 is about 468.9704550229.

Adding to 103142214 its reverse (412241301), we get a palindrome (515383515).

The spelling of 103142214 in words is "one hundred three million, one hundred forty-two thousand, two hundred fourteen".