4014155 has 4 divisors (see below), whose sum is σ = 4816992. Its totient is φ = 3211320.

The previous prime is 4014139. The next prime is 4014161. The reversal of 4014155 is 5514104.

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

It is not a de Polignac number, because 4014155 - 2⁴ = 4014139 is a prime.

It is a super-2 number, since 2×4014155² = 32226880728050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401411 + ... + 401420.

It is an arithmetic number, because the mean of its divisors is an integer number (1204248).

Almost surely, 2^4014155 is an apocalyptic number.

4014155 is a deficient number, since it is larger than the sum of its proper divisors (802837).

4014155 is an equidigital number, since it uses as much as digits as its factorization.

4014155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802836.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 4014155 is about 2003.5356248392. The cubic root of 4014155 is about 158.9271319388.

Adding to 4014155 its reverse (5514104), we get a palindrome (9528259).

It can be divided in two parts, 4014 and 155, that multiplied together give a triangular number (622170 = T₁₁₁₅).

The spelling of 4014155 in words is "four million, fourteen thousand, one hundred fifty-five".