2403002142 has 24 divisors (see below), whose sum is σ = 5432875344. Its totient is φ = 766174464.

The previous prime is 2403002137. The next prime is 2403002149. The reversal of 2403002142 is 2412003042.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403002149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2901763 + ... + 2902590.

It is an arithmetic number, because the mean of its divisors is an integer number (226369806).

Almost surely, 2^2403002142 is an apocalyptic number.

2403002142 is an abundant number, since it is smaller than the sum of its proper divisors (3029873202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2403002142 is a wasteful number, since it uses less digits than its factorization.

2403002142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804384 (or 5804381 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2403002142 is about 49020.4257631449. The cubic root of 2403002142 is about 1339.4239266563.

Adding to 2403002142 its reverse (2412003042), we get a palindrome (4815005184).

The spelling of 2403002142 in words is "two billion, four hundred three million, two thousand, one hundred forty-two".