146457 has 6 divisors (see below), whose sum is σ = 211562. Its totient is φ = 97632.

The previous prime is 146449. The next prime is 146477. The reversal of 146457 is 754641.

146457 is a `hidden beast` number, since 14 + 645 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 145161 + 1296 = 381^2 + 36^2 .

It is not a de Polignac number, because 146457 - 2³ = 146449 is a prime.

It is a Duffinian number.

146457 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 146457.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 146457.

It is not an unprimeable number, because it can be changed into a prime (146407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8128 + ... + 8145.

2¹⁴⁶⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

146457 is a deficient number, since it is larger than the sum of its proper divisors (65105).

146457 is a wasteful number, since it uses less digits than its factorization.

146457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16279 (or 16276 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 146457 is about 382.6970080886. The cubic root of 146457 is about 52.7112576123.

It can be divided in two parts, 1464 and 57, that added together give a square (1521 = 39²).

The spelling of 146457 in words is "one hundred forty-six thousand, four hundred fifty-seven".