19145036 has 6 divisors (see below), whose sum is σ = 33503820. Its totient is φ = 9572516.

The previous prime is 19145023. The next prime is 19145041. The reversal of 19145036 is 63054191.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2393126 + ... + 2393133.

It is an arithmetic number, because the mean of its divisors is an integer number (5583970).

Almost surely, 2^19145036 is an apocalyptic number.

It is an amenable number.

19145036 is a deficient number, since it is larger than the sum of its proper divisors (14358784).

19145036 is a wasteful number, since it uses less digits than its factorization.

19145036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4786263 (or 4786261 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 19145036 is about 4375.5040852455. The cubic root of 19145036 is about 267.5174169811.

The spelling of 19145036 in words is "nineteen million, one hundred forty-five thousand, thirty-six".