130145542 has 4 divisors (see below), whose sum is σ = 195218316. Its totient is φ = 65072770.

The previous prime is 130145537. The next prime is 130145551. The reversal of 130145542 is 245541031.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32536384 + ... + 32536387.

It is an arithmetic number, because the mean of its divisors is an integer number (48804579).

Almost surely, 2^130145542 is an apocalyptic number.

130145542 is a deficient number, since it is larger than the sum of its proper divisors (65072774).

130145542 is an equidigital number, since it uses as much as digits as its factorization.

130145542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65072773.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 130145542 is about 11408.1349045319. The cubic root of 130145542 is about 506.7686791554.

Adding to 130145542 its reverse (245541031), we get a palindrome (375686573).

The spelling of 130145542 in words is "one hundred thirty million, one hundred forty-five thousand, five hundred forty-two".