103142530 has 8 divisors (see below), whose sum is σ = 185656572. Its totient is φ = 41257008.

The previous prime is 103142527. The next prime is 103142537. The reversal of 103142530 is 35241301.

It can be written as a sum of positive squares in 2 ways, for example, as 89132481 + 14010049 = 9441^2 + 3743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 103142498 and 103142507.

It is not an unprimeable number, because it can be changed into a prime (103142537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5157117 + ... + 5157136.

Almost surely, 2^103142530 is an apocalyptic number.

103142530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103142530 is a deficient number, since it is larger than the sum of its proper divisors (82514042).

103142530 is a wasteful number, since it uses less digits than its factorization.

103142530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10314260.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 103142530 is about 10155.9110866529. The cubic root of 103142530 is about 468.9709339555.

Adding to 103142530 its reverse (35241301), we get a palindrome (138383831).

The spelling of 103142530 in words is "one hundred three million, one hundred forty-two thousand, five hundred thirty".