2045451254 has 48 divisors (see below), whose sum is σ = 4063599360. Its totient is φ = 750034560.

The previous prime is 2045451227. The next prime is 2045451257. The reversal of 2045451254 is 4521545402.

It is a self number, because there is not a number n which added to its sum of digits gives 2045451254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045451257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21527 + ... + 67485.

It is an arithmetic number, because the mean of its divisors is an integer number (84658320).

Almost surely, 2^2045451254 is an apocalyptic number.

2045451254 is a deficient number, since it is larger than the sum of its proper divisors (2018148106).

2045451254 is a wasteful number, since it uses less digits than its factorization.

2045451254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46013 (or 45996 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 2045451254 is about 45226.6652982508. The cubic root of 2045451254 is about 1269.3938153224.

Adding to 2045451254 its reverse (4521545402), we get a palindrome (6566996656).

The spelling of 2045451254 in words is "two billion, forty-five million, four hundred fifty-one thousand, two hundred fifty-four".