7145861019 has 8 divisors (see below), whose sum is σ = 10393979712. Its totient is φ = 4330824840.

The previous prime is 7145860987. The next prime is 7145861027. The reversal of 7145861019 is 9101685417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7145861019 - 2⁵ = 7145860987 is a prime.

It is a super-2 number, since 2×7145861019² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7145861419) 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, 108270589 + ... + 108270654.

It is an arithmetic number, because the mean of its divisors is an integer number (1299247464).

Almost surely, 2^7145861019 is an apocalyptic number.

7145861019 is a deficient number, since it is larger than the sum of its proper divisors (3248118693).

7145861019 is a wasteful number, since it uses less digits than its factorization.

7145861019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216541257.

The product of its (nonzero) digits is 60480, while the sum is 42.

The square root of 7145861019 is about 84533.1947757802. The cubic root of 7145861019 is about 1926.1267160304.

The spelling of 7145861019 in words is "seven billion, one hundred forty-five million, eight hundred sixty-one thousand, nineteen".