146437 has 2 divisors, whose sum is σ = 146438. Its totient is φ = 146436.

The previous prime is 146423. The next prime is 146449. The reversal of 146437 is 734641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139876 + 6561 = 374^2 + 81^2 .

It is a cyclic number.

It is not a de Polignac number, because 146437 - 2⁷ = 146309 is a prime.

146437 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73218 + 73219.

It is an arithmetic number, because the mean of its divisors is an integer number (73219).

2¹⁴⁶⁴³⁷ is an apocalyptic number.

It is an amenable number.

146437 is a deficient number, since it is larger than the sum of its proper divisors (1).

146437 is an equidigital number, since it uses as much as digits as its factorization.

146437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 146437 is about 382.6708768642. The cubic root of 146437 is about 52.7088581067.

The spelling of 146437 in words is "one hundred forty-six thousand, four hundred thirty-seven".