6145807731 has 16 divisors (see below), whose sum is σ = 9493330944. Its totient is φ = 3463781184.

The previous prime is 6145807721. The next prime is 6145807739. The reversal of 6145807731 is 1377085416.

It is not a de Polignac number, because 6145807731 - 2⁵ = 6145807699 is a prime.

It is a super-2 number, since 2×6145807731² = 75541905332838736722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6145807739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2002971 + ... + 2006036.

It is an arithmetic number, because the mean of its divisors is an integer number (593333184).

Almost surely, 2^6145807731 is an apocalyptic number.

6145807731 is a deficient number, since it is larger than the sum of its proper divisors (3347523213).

6145807731 is a wasteful number, since it uses less digits than its factorization.

6145807731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009090.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 6145807731 is about 78395.2022192685. The cubic root of 6145807731 is about 1831.7224002819.

The spelling of 6145807731 in words is "six billion, one hundred forty-five million, eight hundred seven thousand, seven hundred thirty-one".