143420154 has 16 divisors (see below), whose sum is σ = 287666400. Its totient is φ = 47669040.

The previous prime is 143420153. The next prime is 143420159. The reversal of 143420154 is 451024341.

143420154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (143420153) 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, 32152 + ... + 36339.

It is an arithmetic number, because the mean of its divisors is an integer number (17979150).

Almost surely, 2^143420154 is an apocalyptic number.

143420154 is an abundant number, since it is smaller than the sum of its proper divisors (144246246).

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

143420154 is a wasteful number, since it uses less digits than its factorization.

143420154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68845.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 143420154 is about 11975.8153793385. The cubic root of 143420154 is about 523.4438016718.

Adding to 143420154 its reverse (451024341), we get a palindrome (594444495).

The spelling of 143420154 in words is "one hundred forty-three million, four hundred twenty thousand, one hundred fifty-four".