1067487145 has 4 divisors (see below), whose sum is σ = 1280984580. Its totient is φ = 853989712.

The previous prime is 1067487133. The next prime is 1067487181. The reversal of 1067487145 is 5417847601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5417847601 = 20323 ⋅266587.

It can be written as a sum of positive squares in 2 ways, for example, as 457446544 + 610040601 = 21388^2 + 24699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1067487145 is a prime.

It is a super-2 number, since 2×1067487145² = 2279057609480502050, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 106748710 + ... + 106748719.

It is an arithmetic number, because the mean of its divisors is an integer number (320246145).

Almost surely, 2^1067487145 is an apocalyptic number.

It is an amenable number.

1067487145 is a deficient number, since it is larger than the sum of its proper divisors (213497435).

1067487145 is an equidigital number, since it uses as much as digits as its factorization.

1067487145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213497434.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 1067487145 is about 32672.4217804558. The cubic root of 1067487145 is about 1022.0078178356.

The spelling of 1067487145 in words is "one billion, sixty-seven million, four hundred eighty-seven thousand, one hundred forty-five".