5142345157 has 2 divisors, whose sum is σ = 5142345158. Its totient is φ = 5142345156.

The previous prime is 5142345149. The next prime is 5142345167. The reversal of 5142345157 is 7515432415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3458145636 + 1684199521 = 58806^2 + 41039^2 .

It is a cyclic number.

It is not a de Polignac number, because 5142345157 - 2³ = 5142345149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5142345107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2571172578 + 2571172579.

It is an arithmetic number, because the mean of its divisors is an integer number (2571172579).

Almost surely, 2^5142345157 is an apocalyptic number.

It is an amenable number.

5142345157 is a deficient number, since it is larger than the sum of its proper divisors (1).

5142345157 is an equidigital number, since it uses as much as digits as its factorization.

5142345157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84000, while the sum is 37.

The square root of 5142345157 is about 71710.1468203768. The cubic root of 5142345157 is about 1726.0514664373.

It can be divided in two parts, 51423 and 45157, that added together give a triangular number (96580 = T₄₃₉).

The spelling of 5142345157 in words is "five billion, one hundred forty-two million, three hundred forty-five thousand, one hundred fifty-seven".