2430155 has 32 divisors (see below), whose sum is σ = 3696000. Its totient is φ = 1524096.

The previous prime is 2430149. The next prime is 2430163. The reversal of 2430155 is 5510342.

2430155 = T₅₀ + T₅₁ + ... + T₂₄₄.

It is not a de Polignac number, because 2430155 - 2⁴ = 2430139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22241 + ... + 22349.

It is an arithmetic number, because the mean of its divisors is an integer number (115500).

2^2430155 is an apocalyptic number.

2430155 is a deficient number, since it is larger than the sum of its proper divisors (1265845).

2430155 is a wasteful number, since it uses less digits than its factorization.

2430155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2430155 is about 1558.8954422924. The cubic root of 2430155 is about 134.4450008451.

Adding to 2430155 its reverse (5510342), we get a palindrome (7940497).

The spelling of 2430155 in words is "two million, four hundred thirty thousand, one hundred fifty-five".