146946746 has 4 divisors (see below), whose sum is σ = 220420122. Its totient is φ = 73473372.

The previous prime is 146946739. The next prime is 146946749. The reversal of 146946746 is 647649641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 647649641 = 547 ⋅1184003.

It can be written as a sum of positive squares in only one way, i.e., 146289025 + 657721 = 12095^2 + 811^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 146946746.

It is not an unprimeable number, because it can be changed into a prime (146946749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36736685 + ... + 36736688.

Almost surely, 2^146946746 is an apocalyptic number.

146946746 is a deficient number, since it is larger than the sum of its proper divisors (73473376).

146946746 is an equidigital number, since it uses as much as digits as its factorization.

146946746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73473375.

The product of its digits is 870912, while the sum is 47.

The square root of 146946746 is about 12122.1592960990. The cubic root of 146946746 is about 527.6994697960.

The spelling of 146946746 in words is "one hundred forty-six million, nine hundred forty-six thousand, seven hundred forty-six".