146400405 has 32 divisors (see below), whose sum is σ = 247815936. Its totient is φ = 73649664.

The previous prime is 146400391. The next prime is 146400521. The reversal of 146400405 is 504004641.

146400405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 146400405 - 2⁹ = 146399893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22279 + ... + 28091.

It is an arithmetic number, because the mean of its divisors is an integer number (7744248).

Almost surely, 2^146400405 is an apocalyptic number.

146400405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146400405 is a deficient number, since it is larger than the sum of its proper divisors (101415531).

146400405 is a wasteful number, since it uses less digits than its factorization.

146400405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5917.

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

The square root of 146400405 is about 12099.6035059005. The cubic root of 146400405 is about 527.0446704583.

The spelling of 146400405 in words is "one hundred forty-six million, four hundred thousand, four hundred five".