307513142 has 8 divisors (see below), whose sum is σ = 473736576. Its totient is φ = 149600952.

The previous prime is 307513123. The next prime is 307513147. The reversal of 307513142 is 241315703.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307513147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2077718 + ... + 2077865.

It is an arithmetic number, because the mean of its divisors is an integer number (59217072).

Almost surely, 2^307513142 is an apocalyptic number.

307513142 is a deficient number, since it is larger than the sum of its proper divisors (166223434).

307513142 is a wasteful number, since it uses less digits than its factorization.

307513142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155622.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 307513142 is about 17536.0526345013. The cubic root of 307513142 is about 674.9753201768.

Adding to 307513142 its reverse (241315703), we get a palindrome (548828845).

The spelling of 307513142 in words is "three hundred seven million, five hundred thirteen thousand, one hundred forty-two".