4155451 has 4 divisors (see below), whose sum is σ = 4187304. Its totient is φ = 4123600.

The previous prime is 4155427. The next prime is 4155467. The reversal of 4155451 is 1545514.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1545514 = 2 ⋅772757.

It is a cyclic number.

It is not a de Polignac number, because 4155451 - 2⁵ = 4155419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4155401) 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, 15730 + ... + 15991.

It is an arithmetic number, because the mean of its divisors is an integer number (1046826).

Almost surely, 2^4155451 is an apocalyptic number.

4155451 is a deficient number, since it is larger than the sum of its proper divisors (31853).

4155451 is a wasteful number, since it uses less digits than its factorization.

4155451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31852.

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

The square root of 4155451 is about 2038.4923350359. The cubic root of 4155451 is about 160.7703862654.

The spelling of 4155451 in words is "four million, one hundred fifty-five thousand, four hundred fifty-one".