146140478 has 16 divisors (see below), whose sum is σ = 239531904. Its totient is φ = 66318360.

The previous prime is 146140471. The next prime is 146140481. The reversal of 146140478 is 874041641.

146140478 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146140471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9101 + ... + 19367.

It is an arithmetic number, because the mean of its divisors is an integer number (14970744).

Almost surely, 2^146140478 is an apocalyptic number.

146140478 is a deficient number, since it is larger than the sum of its proper divisors (93391426).

146140478 is a wasteful number, since it uses less digits than its factorization.

146140478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10927.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 146140478 is about 12088.8575969775. The cubic root of 146140478 is about 526.7325713784.

The spelling of 146140478 in words is "one hundred forty-six million, one hundred forty thousand, four hundred seventy-eight".