146057405 has 12 divisors (see below), whose sum is σ = 189789300. Its totient is φ = 107857152.

The previous prime is 146057393. The next prime is 146057419. The reversal of 146057405 is 504750641.

146057405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 55026724 + 91030681 = 7418^2 + 9541^2 .

It is not a de Polignac number, because 146057405 - 2¹⁰ = 146056381 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85580 + ... + 87269.

It is an arithmetic number, because the mean of its divisors is an integer number (15815775).

Almost surely, 2^146057405 is an apocalyptic number.

It is an amenable number.

146057405 is a deficient number, since it is larger than the sum of its proper divisors (43731895).

146057405 is a wasteful number, since it uses less digits than its factorization.

146057405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172880 (or 172867 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 146057405 is about 12085.4211759458. The cubic root of 146057405 is about 526.6327460840.

The spelling of 146057405 in words is "one hundred forty-six million, fifty-seven thousand, four hundred five".