4520154451 has 4 divisors (see below), whose sum is σ = 4522045752. Its totient is φ = 4518263152.

The previous prime is 4520154421. The next prime is 4520154521. The reversal of 4520154451 is 1544510254.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4520154451 - 2⁷ = 4520154323 is a prime.

It is a super-2 number, since 2×4520154451² = 40863592521790222802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4520154421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942061 + ... + 946846.

It is an arithmetic number, because the mean of its divisors is an integer number (1130511438).

Almost surely, 2^4520154451 is an apocalyptic number.

4520154451 is a deficient number, since it is larger than the sum of its proper divisors (1891301).

4520154451 is a wasteful number, since it uses less digits than its factorization.

4520154451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891300.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 4520154451 is about 67232.0939061100. The cubic root of 4520154451 is about 1653.4247142854.

The spelling of 4520154451 in words is "four billion, five hundred twenty million, one hundred fifty-four thousand, four hundred fifty-one".