2045142519 has 8 divisors (see below), whose sum is σ = 3116407680. Its totient is φ = 1168652856.

The previous prime is 2045142511. The next prime is 2045142527. The reversal of 2045142519 is 9152415402.

It is an interprime number because it is at equal distance from previous prime (2045142511) and next prime (2045142527).

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

It is not a de Polignac number, because 2045142519 - 2³ = 2045142511 is a prime.

It is a super-2 number, since 2×2045142519² = 8365215846043330722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2045142519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045142511) 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, 48693849 + ... + 48693890.

It is an arithmetic number, because the mean of its divisors is an integer number (389550960).

Almost surely, 2^2045142519 is an apocalyptic number.

2045142519 is a deficient number, since it is larger than the sum of its proper divisors (1071265161).

2045142519 is an equidigital number, since it uses as much as digits as its factorization.

2045142519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97387749.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 2045142519 is about 45223.2519728513. The cubic root of 2045142519 is about 1269.3299457943.

The spelling of 2045142519 in words is "two billion, forty-five million, one hundred forty-two thousand, five hundred nineteen".