103142274 has 16 divisors (see below), whose sum is σ = 208770912. Its totient is φ = 33966368.

The previous prime is 103142227. The next prime is 103142323. The reversal of 103142274 is 472241301.

It is a happy number.

It is a Curzon number.

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, 103059 + ... + 104054.

It is an arithmetic number, because the mean of its divisors is an integer number (13048182).

Almost surely, 2^103142274 is an apocalyptic number.

103142274 is an abundant number, since it is smaller than the sum of its proper divisors (105628638).

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

103142274 is a wasteful number, since it uses less digits than its factorization.

103142274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207201.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 103142274 is about 10155.8984831476. The cubic root of 103142274 is about 468.9705459595.

Adding to 103142274 its reverse (472241301), we get a palindrome (575383575).

The spelling of 103142274 in words is "one hundred three million, one hundred forty-two thousand, two hundred seventy-four".