2945445492 has 24 divisors (see below), whose sum is σ = 7497497952. Its totient is φ = 892559200.

The previous prime is 2945445487. The next prime is 2945445499.

2945445492 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945445499) 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, 11156859 + ... + 11157122.

It is an arithmetic number, because the mean of its divisors is an integer number (312395748).

Almost surely, 2^2945445492 is an apocalyptic number.

2945445492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2945445492 is an abundant number, since it is smaller than the sum of its proper divisors (4552052460).

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

2945445492 is a wasteful number, since it uses less digits than its factorization.

2945445492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22313999 (or 22313997 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The square root of 2945445492 is about 54271.9586158451. The cubic root of 2945445492 is about 1433.4536782795.

The spelling of 2945445492 in words is "two billion, nine hundred forty-five million, four hundred forty-five thousand, four hundred ninety-two".