146728294 has 4 divisors (see below), whose sum is σ = 220092444. Its totient is φ = 73364146.

The previous prime is 146728277. The next prime is 146728297. The reversal of 146728294 is 492827641.

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

It is a self number, because there is not a number n which added to its sum of digits gives 146728294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146728297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36682072 + ... + 36682075.

It is an arithmetic number, because the mean of its divisors is an integer number (55023111).

Almost surely, 2^146728294 is an apocalyptic number.

146728294 is a deficient number, since it is larger than the sum of its proper divisors (73364150).

146728294 is an equidigital number, since it uses as much as digits as its factorization.

146728294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73364149.

The product of its digits is 193536, while the sum is 43.

The square root of 146728294 is about 12113.1455039556. The cubic root of 146728294 is about 527.4378462741.

The spelling of 146728294 in words is "one hundred forty-six million, seven hundred twenty-eight thousand, two hundred ninety-four".