146865401 has 4 divisors (see below), whose sum is σ = 148212900. Its totient is φ = 145517904.

The previous prime is 146865379. The next prime is 146865449. The reversal of 146865401 is 104568641.

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

It can be written as a sum of positive squares in 2 ways, for example, as 56235001 + 90630400 = 7499^2 + 9520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146865401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146865001) 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, 673586 + ... + 673803.

It is an arithmetic number, because the mean of its divisors is an integer number (37053225).

Almost surely, 2^146865401 is an apocalyptic number.

It is an amenable number.

146865401 is a deficient number, since it is larger than the sum of its proper divisors (1347499).

146865401 is a wasteful number, since it uses less digits than its factorization.

146865401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347498.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 146865401 is about 12118.8036125684. The cubic root of 146865401 is about 527.6020793291.

The spelling of 146865401 in words is "one hundred forty-six million, eight hundred sixty-five thousand, four hundred one".