143725774 has 4 divisors (see below), whose sum is σ = 215588664. Its totient is φ = 71862886.

The previous prime is 143725763. The next prime is 143725783. The reversal of 143725774 is 477527341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 477527341 = 43 ⋅11105287.

It is a super-2 number, since 2×143725774² = 41314196223798152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35931442 + ... + 35931445.

It is an arithmetic number, because the mean of its divisors is an integer number (53897166).

Almost surely, 2^143725774 is an apocalyptic number.

143725774 is a deficient number, since it is larger than the sum of its proper divisors (71862890).

143725774 is an equidigital number, since it uses as much as digits as its factorization.

143725774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71862889.

The product of its digits is 164640, while the sum is 40.

The square root of 143725774 is about 11988.5684716733. The cubic root of 143725774 is about 523.8153473069.

The spelling of 143725774 in words is "one hundred forty-three million, seven hundred twenty-five thousand, seven hundred seventy-four".