146390453 has 4 divisors (see below), whose sum is σ = 159698688. Its totient is φ = 133082220.

The previous prime is 146390449. The next prime is 146390471. The reversal of 146390453 is 354093641.

It is a happy number.

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 146390453 - 2² = 146390449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146398453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6654101 + ... + 6654122.

It is an arithmetic number, because the mean of its divisors is an integer number (39924672).

Almost surely, 2^146390453 is an apocalyptic number.

It is an amenable number.

146390453 is a deficient number, since it is larger than the sum of its proper divisors (13308235).

146390453 is a wasteful number, since it uses less digits than its factorization.

146390453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13308234.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 146390453 is about 12099.1922457658. The cubic root of 146390453 is about 527.0327277148.

The spelling of 146390453 in words is "one hundred forty-six million, three hundred ninety thousand, four hundred fifty-three".