143749162 has 4 divisors (see below), whose sum is σ = 215623746. Its totient is φ = 71874580.

The previous prime is 143749153. The next prime is 143749183. The reversal of 143749162 is 261947341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 261947341 = 3673 ⋅71317.

It can be written as a sum of positive squares in only one way, i.e., 85211361 + 58537801 = 9231^2 + 7651^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35937289 + ... + 35937292.

Almost surely, 2^143749162 is an apocalyptic number.

143749162 is a deficient number, since it is larger than the sum of its proper divisors (71874584).

143749162 is an equidigital number, since it uses as much as digits as its factorization.

143749162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71874583.

The product of its digits is 36288, while the sum is 37.

The square root of 143749162 is about 11989.5438612151. The cubic root of 143749162 is about 523.8437586547.

The spelling of 143749162 in words is "one hundred forty-three million, seven hundred forty-nine thousand, one hundred sixty-two".