2251140454 has 16 divisors (see below), whose sum is σ = 3496012416. Its totient is φ = 1086019200.

The previous prime is 2251140443. The next prime is 2251140469. The reversal of 2251140454 is 4540411522.

2251140454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2251140454² = 10135266687270652232, 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 7 ways as a sum of consecutive naturals, for example, 32977 + ... + 74764.

It is an arithmetic number, because the mean of its divisors is an integer number (218500776).

Almost surely, 2^2251140454 is an apocalyptic number.

2251140454 is a deficient number, since it is larger than the sum of its proper divisors (1244871962).

2251140454 is a wasteful number, since it uses less digits than its factorization.

2251140454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108111.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 2251140454 is about 47446.1848202782. The cubic root of 2251140454 is about 1310.5920548945.

Adding to 2251140454 its reverse (4540411522), we get a palindrome (6791551976).

The spelling of 2251140454 in words is "two billion, two hundred fifty-one million, one hundred forty thousand, four hundred fifty-four".