146502073 has 4 divisors (see below), whose sum is σ = 155119860. Its totient is φ = 137884288.

The previous prime is 146502067. The next prime is 146502077. The reversal of 146502073 is 370205641.

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 81667369 + 64834704 = 9037^2 + 8052^2 .

It is a cyclic number.

It is not a de Polignac number, because 146502073 - 2⁹ = 146501561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146502077) 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, 4308868 + ... + 4308901.

It is an arithmetic number, because the mean of its divisors is an integer number (38779965).

Almost surely, 2^146502073 is an apocalyptic number.

It is an amenable number.

146502073 is a deficient number, since it is larger than the sum of its proper divisors (8617787).

146502073 is an equidigital number, since it uses as much as digits as its factorization.

146502073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8617786.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 146502073 is about 12103.8040714480. The cubic root of 146502073 is about 527.1666445712.

The spelling of 146502073 in words is "one hundred forty-six million, five hundred two thousand, seventy-three".