146099401 has 4 divisors (see below), whose sum is σ = 166970752. Its totient is φ = 125228052.

The previous prime is 146099389. The next prime is 146099407. The reversal of 146099401 is 104990641.

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 146099401 - 2¹⁹ = 145575113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146099407) 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, 10435665 + ... + 10435678.

It is an arithmetic number, because the mean of its divisors is an integer number (41742688).

Almost surely, 2^146099401 is an apocalyptic number.

It is an amenable number.

146099401 is a deficient number, since it is larger than the sum of its proper divisors (20871351).

146099401 is an equidigital number, since it uses as much as digits as its factorization.

146099401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20871350.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 146099401 is about 12087.1585163760. The cubic root of 146099401 is about 526.6832156223.

The spelling of 146099401 in words is "one hundred forty-six million, ninety-nine thousand, four hundred one".