143953074 has 12 divisors (see below), whose sum is σ = 311898366. Its totient is φ = 47984352.

The previous prime is 143953039. The next prime is 143953087. The reversal of 143953074 is 470359341.

It can be written as a sum of positive squares in only one way, i.e., 105945849 + 38007225 = 10293^2 + 6165^2 .

It is a Curzon 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 in 5 ways as a sum of consecutive naturals, for example, 3998679 + ... + 3998714.

Almost surely, 2^143953074 is an apocalyptic number.

143953074 is an abundant number, since it is smaller than the sum of its proper divisors (167945292).

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

143953074 is a wasteful number, since it uses less digits than its factorization.

143953074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7997401 (or 7997398 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 143953074 is about 11998.0445906823. The cubic root of 143953074 is about 524.0913370492.

The spelling of 143953074 in words is "one hundred forty-three million, nine hundred fifty-three thousand, seventy-four".