2790239145 has 16 divisors (see below), whose sum is σ = 4477256640. Its totient is φ = 1483836224.

The previous prime is 2790239143. The next prime is 2790239161. The reversal of 2790239145 is 5419320972.

It is a cyclic number.

It is not a de Polignac number, because 2790239145 - 2¹ = 2790239143 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2790239097 and 2790239106.

It is not an unprimeable number, because it can be changed into a prime (2790239143) 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, 262830 + ... + 273239.

It is an arithmetic number, because the mean of its divisors is an integer number (279828540).

Almost surely, 2^2790239145 is an apocalyptic number.

It is an amenable number.

2790239145 is a deficient number, since it is larger than the sum of its proper divisors (1687017495).

2790239145 is a wasteful number, since it uses less digits than its factorization.

2790239145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536424.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 2790239145 is about 52822.7142903505. The cubic root of 2790239145 is about 1407.8200381287.

The spelling of 2790239145 in words is "two billion, seven hundred ninety million, two hundred thirty-nine thousand, one hundred forty-five".