19130145 has 16 divisors (see below), whose sum is σ = 30708672. Its totient is φ = 10169280.

The previous prime is 19130143. The next prime is 19130159. The reversal of 19130145 is 54103191.

It is not a de Polignac number, because 19130145 - 2¹ = 19130143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19130143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3039 + ... + 6891.

It is an arithmetic number, because the mean of its divisors is an integer number (1919292).

Almost surely, 2^19130145 is an apocalyptic number.

19130145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19130145 is a deficient number, since it is larger than the sum of its proper divisors (11578527).

19130145 is a wasteful number, since it uses less digits than its factorization.

19130145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4192.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 19130145 is about 4373.8021217243. The cubic root of 19130145 is about 267.4480406840.

The spelling of 19130145 in words is "nineteen million, one hundred thirty thousand, one hundred forty-five".