146451601 has 4 divisors (see below), whose sum is σ = 154159600. Its totient is φ = 138743604.

The previous prime is 146451589. The next prime is 146451611. The reversal of 146451601 is 106154641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 146451601 - 2⁹ = 146451089 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 146451601.

It is not an unprimeable number, because it can be changed into a prime (146451611) 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 in 3 ways as a sum of consecutive naturals, for example, 3853971 + ... + 3854008.

It is an arithmetic number, because the mean of its divisors is an integer number (38539900).

Almost surely, 2^146451601 is an apocalyptic number.

It is an amenable number.

146451601 is a deficient number, since it is larger than the sum of its proper divisors (7707999).

146451601 is an equidigital number, since it uses as much as digits as its factorization.

146451601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7707998.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 146451601 is about 12101.7189274913. The cubic root of 146451601 is about 527.1060988728.

The spelling of 146451601 in words is "one hundred forty-six million, four hundred fifty-one thousand, six hundred one".