2045435442 has 8 divisors (see below), whose sum is σ = 4090870896. Its totient is φ = 681811812.

The previous prime is 2045435419. The next prime is 2045435473. The reversal of 2045435442 is 2445345402.

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

2045435442 is an admirable number.

It is a super-2 number, since 2×2045435442² = 8367612294779470728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170452948 + ... + 170452959.

It is an arithmetic number, because the mean of its divisors is an integer number (511358862).

Almost surely, 2^2045435442 is an apocalyptic number.

2045435442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2045435442 is a wasteful number, since it uses less digits than its factorization.

2045435442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340905912.

The product of its (nonzero) digits is 76800, while the sum is 33.

The square root of 2045435442 is about 45226.4904895350. The cubic root of 2045435442 is about 1269.3905443724.

The spelling of 2045435442 in words is "two billion, forty-five million, four hundred thirty-five thousand, four hundred forty-two".