2443515142 has 4 divisors (see below), whose sum is σ = 3665272716. Its totient is φ = 1221757570.

The previous prime is 2443515133. The next prime is 2443515157. The reversal of 2443515142 is 2415153442.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610878784 + ... + 610878787.

It is an arithmetic number, because the mean of its divisors is an integer number (916318179).

Almost surely, 2^2443515142 is an apocalyptic number.

2443515142 is a deficient number, since it is larger than the sum of its proper divisors (1221757574).

2443515142 is a wasteful number, since it uses less digits than its factorization.

2443515142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221757573.

The product of its digits is 19200, while the sum is 31.

The square root of 2443515142 is about 49431.9243202204. The cubic root of 2443515142 is about 1346.9092791357.

Adding to 2443515142 its reverse (2415153442), we get a palindrome (4858668584).

The spelling of 2443515142 in words is "two billion, four hundred forty-three million, five hundred fifteen thousand, one hundred forty-two".