146436673 has 2 divisors, whose sum is σ = 146436674. Its totient is φ = 146436672.

The previous prime is 146436671. The next prime is 146436677. The reversal of 146436673 is 376634641.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75742209 + 70694464 = 8703^2 + 8408^2 .

It is a cyclic number.

It is not a de Polignac number, because 146436673 - 2¹ = 146436671 is a prime.

Together with 146436671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (146436671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73218336 + 73218337.

It is an arithmetic number, because the mean of its divisors is an integer number (73218337).

Almost surely, 2^146436673 is an apocalyptic number.

It is an amenable number.

146436673 is a deficient number, since it is larger than the sum of its proper divisors (1).

146436673 is an equidigital number, since it uses as much as digits as its factorization.

146436673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 40.

The square root of 146436673 is about 12101.1021398879. The cubic root of 146436673 is about 527.0881887301.

It can be divided in two parts, 14643 and 6673, that added together give a square (21316 = 146²).

The spelling of 146436673 in words is "one hundred forty-six million, four hundred thirty-six thousand, six hundred seventy-three".