6145355531 has 12 divisors (see below), whose sum is σ = 7165213272. Its totient is φ = 5255264448.

The previous prime is 6145355431. The next prime is 6145355537. The reversal of 6145355531 is 1355535416.

It is not a de Polignac number, because 6145355531 - 2¹⁸ = 6145093387 is a prime.

It is a super-2 number, since 2×6145355531² = 75530789204784583922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6145355537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123605 + ... + 166038.

It is an arithmetic number, because the mean of its divisors is an integer number (597101106).

Almost surely, 2^6145355531 is an apocalyptic number.

6145355531 is a deficient number, since it is larger than the sum of its proper divisors (1019857741).

6145355531 is a wasteful number, since it uses less digits than its factorization.

6145355531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290090 (or 290083 counting only the distinct ones).

The product of its digits is 135000, while the sum is 38.

The square root of 6145355531 is about 78392.3180611468. The cubic root of 6145355531 is about 1831.6774739830.

The spelling of 6145355531 in words is "six billion, one hundred forty-five million, three hundred fifty-five thousand, five hundred thirty-one".