146400385 has 8 divisors (see below), whose sum is σ = 176697000. Its totient is φ = 116442624.

The previous prime is 146400361. The next prime is 146400391. The reversal of 146400385 is 583004641.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 76527504 + 69872881 = 8748^2 + 8359^2 .

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 146400385 - 2⁹ = 146399873 is a prime.

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, 83760 + ... + 85489.

It is an arithmetic number, because the mean of its divisors is an integer number (22087125).

Almost surely, 2^146400385 is an apocalyptic number.

It is an amenable number.

146400385 is a deficient number, since it is larger than the sum of its proper divisors (30296615).

146400385 is a wasteful number, since it uses less digits than its factorization.

146400385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169427.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 146400385 is about 12099.6026794271. The cubic root of 146400385 is about 527.0446464581.

The spelling of 146400385 in words is "one hundred forty-six million, four hundred thousand, three hundred eighty-five".