143378154 has 16 divisors (see below), whose sum is σ = 318618240. Its totient is φ = 47792700.

The previous prime is 143378141. The next prime is 143378173. The reversal of 143378154 is 451873341.

It is a happy number.

143378154 is a `hidden beast` number, since 1 + 433 + 78 + 154 = 666.

143378154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327522 + ... + 1327629.

It is an arithmetic number, because the mean of its divisors is an integer number (19913640).

Almost surely, 2^143378154 is an apocalyptic number.

143378154 is an abundant number, since it is smaller than the sum of its proper divisors (175240086).

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

143378154 is a wasteful number, since it uses less digits than its factorization.

143378154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655162 (or 2655156 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 143378154 is about 11974.0617168946. The cubic root of 143378154 is about 523.3927005645.

The spelling of 143378154 in words is "one hundred forty-three million, three hundred seventy-eight thousand, one hundred fifty-four".