146812073 has 4 divisors (see below), whose sum is σ = 146879940. Its totient is φ = 146744208.

The previous prime is 146812049. The next prime is 146812079. The reversal of 146812073 is 370218641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93857344 + 52954729 = 9688^2 + 7277^2 .

It is a cyclic number.

It is not a de Polignac number, because 146812073 - 2⁶ = 146812009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146812079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30578 + ... + 35051.

It is an arithmetic number, because the mean of its divisors is an integer number (36719985).

Almost surely, 2^146812073 is an apocalyptic number.

It is an amenable number.

146812073 is a deficient number, since it is larger than the sum of its proper divisors (67867).

146812073 is an equidigital number, since it uses as much as digits as its factorization.

146812073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67866.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 146812073 is about 12116.6031956155. The cubic root of 146812073 is about 527.5382127555.

The spelling of 146812073 in words is "one hundred forty-six million, eight hundred twelve thousand, seventy-three".