1541143242 has 12 divisors (see below), whose sum is σ = 3339143730. Its totient is φ = 513714408.

The previous prime is 1541143237. The next prime is 1541143271. The reversal of 1541143242 is 2423411451.

1541143242 is a `hidden beast` number, since 1 + 5 + 411 + 4 + 3 + 242 = 666.

It can be written as a sum of positive squares in only one way, i.e., 974750841 + 566392401 = 31221^2 + 23799^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42809517 + ... + 42809552.

Almost surely, 2^1541143242 is an apocalyptic number.

1541143242 is an abundant number, since it is smaller than the sum of its proper divisors (1798000488).

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

1541143242 is a wasteful number, since it uses less digits than its factorization.

1541143242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85619077 (or 85619074 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1541143242 is about 39257.3972901923. The cubic root of 1541143242 is about 1155.0860407034.

Adding to 1541143242 its reverse (2423411451), we get a palindrome (3964554693).

Subtracting 1541143242 from its reverse (2423411451), we obtain a square (882268209 = 29703²).

It can be divided in two parts, 15411 and 43242, that added together give a triangular number (58653 = T₃₄₂).

The spelling of 1541143242 in words is "one billion, five hundred forty-one million, one hundred forty-three thousand, two hundred forty-two".