7145019 has 24 divisors (see below), whose sum is σ = 12310272. Its totient is φ = 3904560.

The previous prime is 7145011. The next prime is 7145041. The reversal of 7145019 is 9105417.

7145019 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7145019 - 2³ = 7145011 is a prime.

It is a super-2 number, since 2×7145019² = 102102593020722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7144983 and 7145001.

It is not an unprimeable number, because it can be changed into a prime (7145011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1017 + ... + 3914.

It is an arithmetic number, because the mean of its divisors is an integer number (512928).

Almost surely, 2^7145019 is an apocalyptic number.

7145019 is a deficient number, since it is larger than the sum of its proper divisors (5165253).

7145019 is a wasteful number, since it uses less digits than its factorization.

7145019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4967 (or 4964 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 7145019 is about 2673.0168349638. The cubic root of 7145019 is about 192.6051059227.

The spelling of 7145019 in words is "seven million, one hundred forty-five thousand, nineteen".