2019145258 has 16 divisors (see below), whose sum is σ = 3366913536. Its totient is φ = 901851120.

The previous prime is 2019145243. The next prime is 2019145291. The reversal of 2019145258 is 8525419102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1251766 + ... + 1253377.

It is an arithmetic number, because the mean of its divisors is an integer number (210432096).

Almost surely, 2^2019145258 is an apocalyptic number.

2019145258 is a deficient number, since it is larger than the sum of its proper divisors (1347768278).

2019145258 is a wasteful number, since it uses less digits than its factorization.

2019145258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505189.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 2019145258 is about 44934.9002224329. The cubic root of 2019145258 is about 1263.9285418163.

The spelling of 2019145258 in words is "two billion, nineteen million, one hundred forty-five thousand, two hundred fifty-eight".