103142144 has 36 divisors (see below), whose sum is σ = 235297104. Its totient is φ = 44203008.

The previous prime is 103142141. The next prime is 103142147. The reversal of 103142144 is 441241301.

It is an interprime number because it is at equal distance from previous prime (103142141) and next prime (103142147).

It is not an unprimeable number, because it can be changed into a prime (103142141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26987 + ... + 30570.

Almost surely, 2^103142144 is an apocalyptic number.

103142144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

103142144 is an abundant number, since it is smaller than the sum of its proper divisors (132154960).

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

103142144 is an frugal number, since it uses more digits than its factorization.

103142144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57580 (or 57566 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 103142144 is about 10155.8920829241. The cubic root of 103142144 is about 468.9703489301.

Adding to 103142144 its reverse (441241301), we get a palindrome (544383445).

The spelling of 103142144 in words is "one hundred three million, one hundred forty-two thousand, one hundred forty-four".