4013145242 has 8 divisors (see below), whose sum is σ = 6020198100. Its totient is φ = 2006412544.

The previous prime is 4013145233. The next prime is 4013145293. The reversal of 4013145242 is 2425413104.

It can be written as a sum of positive squares in 2 ways, for example, as 4012082281 + 1062961 = 63341^2 + 1031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4013145242² = 32210669466774477128, which contains 22 as substring.

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, 45767 + ... + 100602.

Almost surely, 2^4013145242 is an apocalyptic number.

4013145242 is a deficient number, since it is larger than the sum of its proper divisors (2007052858).

4013145242 is a wasteful number, since it uses less digits than its factorization.

4013145242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160080.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 4013145242 is about 63349.3902259525. The cubic root of 4013145242 is about 1589.1380481675.

Adding to 4013145242 its reverse (2425413104), we get a palindrome (6438558346).

The spelling of 4013145242 in words is "four billion, thirteen million, one hundred forty-five thousand, two hundred forty-two".