146057406 has 48 divisors (see below), whose sum is σ = 335083392. Its totient is φ = 42330640.

The previous prime is 146057393. The next prime is 146057419. The reversal of 146057406 is 604750641.

146057406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (146057393) and next prime (146057419).

It is a Harshad number since it is a multiple of its sum of digits (33).

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 23 ways as a sum of consecutive naturals, for example, 12325 + ... + 21071.

It is an arithmetic number, because the mean of its divisors is an integer number (6980904).

Almost surely, 2^146057406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146057406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167541696).

146057406 is an abundant number, since it is smaller than the sum of its proper divisors (189025986).

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

146057406 is a wasteful number, since it uses less digits than its factorization.

146057406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8797 (or 8786 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 146057406 is about 12085.4212173180. The cubic root of 146057406 is about 526.6327472859.

The spelling of 146057406 in words is "one hundred forty-six million, fifty-seven thousand, four hundred six".