2445155442 has 24 divisors (see below), whose sum is σ = 5468736000. Its totient is φ = 788759640.

The previous prime is 2445155437. The next prime is 2445155443. The reversal of 2445155442 is 2445515442.

2445155442 is a `hidden beast` number, since 24 + 45 + 1 + 554 + 42 = 666.

2445155442 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2445155397 and 2445155406.

It is not an unprimeable number, because it can be changed into a prime (2445155443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2190442 + ... + 2191557.

It is an arithmetic number, because the mean of its divisors is an integer number (227864000).

Almost surely, 2^2445155442 is an apocalyptic number.

2445155442 is an abundant number, since it is smaller than the sum of its proper divisors (3023580558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2445155442 is a wasteful number, since it uses less digits than its factorization.

2445155442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382038 (or 4382035 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

The square root of 2445155442 is about 49448.5130413443. The cubic root of 2445155442 is about 1347.2105992941.

Subtracting 2445155442 from its reverse (2445515442), we obtain a square (360000 = 600²).

The spelling of 2445155442 in words is "two billion, four hundred forty-five million, one hundred fifty-five thousand, four hundred forty-two".