2145504354 has 32 divisors (see below), whose sum is σ = 5117230080. Its totient is φ = 586348752.

The previous prime is 2145504353. The next prime is 2145504359. The reversal of 2145504354 is 4534055412.

It is not an unprimeable number, because it can be changed into a prime (2145504353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1109544 + ... + 1111475.

It is an arithmetic number, because the mean of its divisors is an integer number (159913440).

Almost surely, 2^2145504354 is an apocalyptic number.

2145504354 is an abundant number, since it is smaller than the sum of its proper divisors (2971725726).

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

2145504354 is a wasteful number, since it uses less digits than its factorization.

2145504354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221054.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 2145504354 is about 46319.5893116509. The cubic root of 2145504354 is about 1289.7626617027.

Adding to 2145504354 its reverse (4534055412), we get a palindrome (6679559766).

The spelling of 2145504354 in words is "two billion, one hundred forty-five million, five hundred four thousand, three hundred fifty-four".