143996377 has 8 divisors (see below), whose sum is σ = 165519936. Its totient is φ = 122710992.

The previous prime is 143996357. The next prime is 143996401. The reversal of 143996377 is 773699341.

It is a happy number.

143996377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143996377 - 2⁷ = 143996249 is a prime.

It is a super-2 number, since 2×143996377² = 41469913178252258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143996377.

It is not an unprimeable number, because it can be changed into a prime (143996327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58243 + ... + 60664.

It is an arithmetic number, because the mean of its divisors is an integer number (20689992).

Almost surely, 2^143996377 is an apocalyptic number.

It is an amenable number.

143996377 is a deficient number, since it is larger than the sum of its proper divisors (21523559).

143996377 is a wasteful number, since it uses less digits than its factorization.

143996377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119087.

The product of its digits is 857304, while the sum is 49.

The square root of 143996377 is about 11999.8490407171. The cubic root of 143996377 is about 524.1438829965.

The spelling of 143996377 in words is "one hundred forty-three million, nine hundred ninety-six thousand, three hundred seventy-seven".