2154323454 has 32 divisors (see below), whose sum is σ = 4349760000. Its totient is φ = 711288864.

The previous prime is 2154323449. The next prime is 2154323467. The reversal of 2154323454 is 4543234512.

2154323454 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 super-2 number, since 2×2154323454² = 9282219088908980232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269487 + ... + 277365.

It is an arithmetic number, because the mean of its divisors is an integer number (135930000).

Almost surely, 2^2154323454 is an apocalyptic number.

2154323454 is an abundant number, since it is smaller than the sum of its proper divisors (2195436546).

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

2154323454 is a wasteful number, since it uses less digits than its factorization.

2154323454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8312.

The product of its digits is 57600, while the sum is 33.

The square root of 2154323454 is about 46414.6900668312. The cubic root of 2154323454 is about 1291.5274365493.

Adding to 2154323454 its reverse (4543234512), we get a palindrome (6697557966).

The spelling of 2154323454 in words is "two billion, one hundred fifty-four million, three hundred twenty-three thousand, four hundred fifty-four".