146451005 has 24 divisors (see below), whose sum is σ = 194580792. Its totient is φ = 105442304.

The previous prime is 146450999. The next prime is 146451017. The reversal of 146451005 is 500154641.

It can be written as a sum of positive squares in 4 ways, for example, as 56220004 + 90231001 = 7498^2 + 9499^2 .

It is not a de Polignac number, because 146451005 - 2⁴ = 146450989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43337 + ... + 46593.

It is an arithmetic number, because the mean of its divisors is an integer number (8107533).

Almost surely, 2^146451005 is an apocalyptic number.

It is an amenable number.

146451005 is a deficient number, since it is larger than the sum of its proper divisors (48129787).

146451005 is a wasteful number, since it uses less digits than its factorization.

146451005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325 (or 3302 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 146451005 is about 12101.6943028652. The cubic root of 146451005 is about 527.1053838342.

The spelling of 146451005 in words is "one hundred forty-six million, four hundred fifty-one thousand, five".