2445046078 has 4 divisors (see below), whose sum is σ = 3667569120. Its totient is φ = 1222523038.

The previous prime is 2445046069. The next prime is 2445046139. The reversal of 2445046078 is 8706405442.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2445046078.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611261518 + ... + 611261521.

It is an arithmetic number, because the mean of its divisors is an integer number (916892280).

Almost surely, 2^2445046078 is an apocalyptic number.

2445046078 is a deficient number, since it is larger than the sum of its proper divisors (1222523042).

2445046078 is a wasteful number, since it uses less digits than its factorization.

2445046078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222523041.

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 2445046078 is about 49447.4071918842. The cubic root of 2445046078 is about 1347.1905135177.

The spelling of 2445046078 in words is "two billion, four hundred forty-five million, forty-six thousand, seventy-eight".