146455409 has 8 divisors (see below), whose sum is σ = 149177280. Its totient is φ = 143756496.

The previous prime is 146455381. The next prime is 146455411. The reversal of 146455409 is 904554641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146455409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146455429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7412 + ... + 18650.

It is an arithmetic number, because the mean of its divisors is an integer number (18647160).

Almost surely, 2^146455409 is an apocalyptic number.

It is an amenable number.

146455409 is a deficient number, since it is larger than the sum of its proper divisors (2721871).

146455409 is a wasteful number, since it uses less digits than its factorization.

146455409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11479.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 146455409 is about 12101.8762594897. The cubic root of 146455409 is about 527.1106673960.

The spelling of 146455409 in words is "one hundred forty-six million, four hundred fifty-five thousand, four hundred nine".