4515154 has 12 divisors (see below), whose sum is σ = 7878654. Its totient is φ = 1935024.

The previous prime is 4515151. The next prime is 4515167.

It is a happy number.

4515154 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 3337929 + 1177225 = 1827^2 + 1085^2 .

It is not an unprimeable number, because it can be changed into a prime (4515151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22939 + ... + 23134.

Almost surely, 2^4515154 is an apocalyptic number.

4515154 is a deficient number, since it is larger than the sum of its proper divisors (3363500).

4515154 is a wasteful number, since it uses less digits than its factorization.

4515154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46089 (or 46082 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 4515154 is about 2124.8891735806. The cubic root of 4515154 is about 165.2814785279.

Adding to 4515154 its product of digits (2000), we get a palindrome (4517154).

Subtracting from 4515154 its product of digits (2000), we obtain a palindrome (4513154).

The spelling of 4515154 in words is "four million, five hundred fifteen thousand, one hundred fifty-four".