2481018146 has 4 divisors (see below), whose sum is σ = 3721527222. Its totient is φ = 1240509072.

The previous prime is 2481018143. The next prime is 2481018149. The reversal of 2481018146 is 6418101842.

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: 6418101842 = 2 ⋅3209050921.

It is an interprime number because it is at equal distance from previous prime (2481018143) and next prime (2481018149).

It can be written as a sum of positive squares in only one way, i.e., 2459068921 + 21949225 = 49589^2 + 4685^2 .

It is not an unprimeable number, because it can be changed into a prime (2481018143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620254535 + ... + 620254538.

Almost surely, 2^2481018146 is an apocalyptic number.

2481018146 is a deficient number, since it is larger than the sum of its proper divisors (1240509076).

2481018146 is a wasteful number, since it uses less digits than its factorization.

2481018146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240509075.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 2481018146 is about 49809.8197748195. The cubic root of 2481018146 is about 1353.7650992116.

Adding to 2481018146 its reverse (6418101842), we get a palindrome (8899119988).

The spelling of 2481018146 in words is "two billion, four hundred eighty-one million, eighteen thousand, one hundred forty-six".