1162146142 has 4 divisors (see below), whose sum is σ = 1743219216. Its totient is φ = 581073070.

The previous prime is 1162146137. The next prime is 1162146149. The reversal of 1162146142 is 2416412611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2416412611 = 37159 ⋅65029.

It is a self number, because there is not a number n which added to its sum of digits gives 1162146142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162146149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290536534 + ... + 290536537.

It is an arithmetic number, because the mean of its divisors is an integer number (435804804).

Almost surely, 2^1162146142 is an apocalyptic number.

1162146142 is a deficient number, since it is larger than the sum of its proper divisors (581073074).

1162146142 is an equidigital number, since it uses as much as digits as its factorization.

1162146142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581073073.

The product of its digits is 2304, while the sum is 28.

The square root of 1162146142 is about 34090.2646220296. The cubic root of 1162146142 is about 1051.3651606698.

Adding to 1162146142 its reverse (2416412611), we get a palindrome (3578558753).

The spelling of 1162146142 in words is "one billion, one hundred sixty-two million, one hundred forty-six thousand, one hundred forty-two".