146466451 has 4 divisors (see below), whose sum is σ = 146524432. Its totient is φ = 146408472.

The previous prime is 146466449. The next prime is 146466469. The reversal of 146466451 is 154664641.

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

It is a cyclic number.

It is not a de Polignac number, because 146466451 - 2¹ = 146466449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146466451.

It is not an unprimeable number, because it can be changed into a prime (146466431) 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, 25020 + ... + 30313.

It is an arithmetic number, because the mean of its divisors is an integer number (36631108).

Almost surely, 2^146466451 is an apocalyptic number.

146466451 is a deficient number, since it is larger than the sum of its proper divisors (57981).

146466451 is an equidigital number, since it uses as much as digits as its factorization.

146466451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57980.

The product of its digits is 69120, while the sum is 37.

The square root of 146466451 is about 12102.3324611415. The cubic root of 146466451 is about 527.1239142261.

The spelling of 146466451 in words is "one hundred forty-six million, four hundred sixty-six thousand, four hundred fifty-one".