130245242 has 4 divisors (see below), whose sum is σ = 195367866. Its totient is φ = 65122620.

The previous prime is 130245223. The next prime is 130245263. The reversal of 130245242 is 242542031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 115584001 + 14661241 = 10751^2 + 3829^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32561309 + ... + 32561312.

Almost surely, 2^130245242 is an apocalyptic number.

130245242 is a deficient number, since it is larger than the sum of its proper divisors (65122624).

130245242 is an equidigital number, since it uses as much as digits as its factorization.

130245242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65122623.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 130245242 is about 11412.5037568449. The cubic root of 130245242 is about 506.8980521129.

Adding to 130245242 its reverse (242542031), we get a palindrome (372787273).

The spelling of 130245242 in words is "one hundred thirty million, two hundred forty-five thousand, two hundred forty-two".