146812453 has 4 divisors (see below), whose sum is σ = 148184640. Its totient is φ = 145440268.

The previous prime is 146812441. The next prime is 146812499. The reversal of 146812453 is 354218641.

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 146812453 - 2¹³ = 146804261 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 (146812433) 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, 685933 + ... + 686146.

It is an arithmetic number, because the mean of its divisors is an integer number (37046160).

Almost surely, 2^146812453 is an apocalyptic number.

It is an amenable number.

146812453 is a deficient number, since it is larger than the sum of its proper divisors (1372187).

146812453 is a wasteful number, since it uses less digits than its factorization.

146812453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372186.

The product of its digits is 23040, while the sum is 34.

The square root of 146812453 is about 12116.6188765678. The cubic root of 146812453 is about 527.5386679051.

The spelling of 146812453 in words is "one hundred forty-six million, eight hundred twelve thousand, four hundred fifty-three".