146428 has 6 divisors (see below), whose sum is σ = 256256. Its totient is φ = 73212.

The previous prime is 146423. The next prime is 146437. The reversal of 146428 is 824641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146423) by changing a digit.

146428 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18300 + ... + 18307.

2¹⁴⁶⁴²⁸ is an apocalyptic number.

It is an amenable number.

146428 is a deficient number, since it is larger than the sum of its proper divisors (109828).

146428 is a wasteful number, since it uses less digits than its factorization.

146428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36611 (or 36609 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 146428 is about 382.6591172310. The cubic root of 146428 is about 52.7077782580.

The spelling of 146428 in words is "one hundred forty-six thousand, four hundred twenty-eight".