143418074 has 4 divisors (see below), whose sum is σ = 215127114. Its totient is φ = 71709036.

The previous prime is 143418073. The next prime is 143418113. The reversal of 143418074 is 470814341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 131217025 + 12201049 = 11455^2 + 3493^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 143418074.

It is not an unprimeable number, because it can be changed into a prime (143418073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35854517 + ... + 35854520.

Almost surely, 2^143418074 is an apocalyptic number.

143418074 is a deficient number, since it is larger than the sum of its proper divisors (71709040).

143418074 is an equidigital number, since it uses as much as digits as its factorization.

143418074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71709039.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 143418074 is about 11975.7285373375. The cubic root of 143418074 is about 523.4412711851.

The spelling of 143418074 in words is "one hundred forty-three million, four hundred eighteen thousand, seventy-four".