7545868146 has 20 divisors (see below), whose sum is σ = 16908334542. Its totient is φ = 2515289328.

The previous prime is 7545868117. The next prime is 7545868159. The reversal of 7545868146 is 6418685457.

7545868146 is a `hidden beast` number, since 7 + 54 + 586 + 8 + 1 + 4 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6878214225 + 667653921 = 82935^2 + 25839^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 7545868092 and 7545868101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 23289555 + ... + 23289878.

Almost surely, 2^7545868146 is an apocalyptic number.

7545868146 is an abundant number, since it is smaller than the sum of its proper divisors (9362466396).

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

7545868146 is a wasteful number, since it uses less digits than its factorization.

7545868146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46579447 (or 46579438 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The square root of 7545868146 is about 86866.9565830414. The cubic root of 7545868146 is about 1961.4161071469.

The spelling of 7545868146 in words is "seven billion, five hundred forty-five million, eight hundred sixty-eight thousand, one hundred forty-six".