5145642726 has 16 divisors (see below), whose sum is σ = 11761469184. Its totient is φ = 1470183624.

The previous prime is 5145642707. The next prime is 5145642727. The reversal of 5145642726 is 6272465415.

It is a super-2 number, since 2×5145642726² = 52955278127273422152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 122515303 = 5145642726 / (5 + 1 + 4 + 5 + 6 + 4 + 2 + 7 + 2 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145642727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61257610 + ... + 61257693.

It is an arithmetic number, because the mean of its divisors is an integer number (735091824).

Almost surely, 2^5145642726 is an apocalyptic number.

5145642726 is an abundant number, since it is smaller than the sum of its proper divisors (6615826458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5145642726 is a wasteful number, since it uses less digits than its factorization.

5145642726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122515315.

The product of its digits is 403200, while the sum is 42.

The square root of 5145642726 is about 71733.1354814496. The cubic root of 5145642726 is about 1726.4203355969.

The spelling of 5145642726 in words is "five billion, one hundred forty-five million, six hundred forty-two thousand, seven hundred twenty-six".