194753453 has 4 divisors (see below), whose sum is σ = 194939808. Its totient is φ = 194567100.

The previous prime is 194753423. The next prime is 194753467. The reversal of 194753453 is 354357491.

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 194753453 - 2¹⁴ = 194737069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194753453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194753423) 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, 91601 + ... + 93702.

It is an arithmetic number, because the mean of its divisors is an integer number (48734952).

Almost surely, 2^194753453 is an apocalyptic number.

It is an amenable number.

194753453 is a deficient number, since it is larger than the sum of its proper divisors (186355).

194753453 is a wasteful number, since it uses less digits than its factorization.

194753453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186354.

The product of its digits is 226800, while the sum is 41.

The square root of 194753453 is about 13955.4094529684. The cubic root of 194753453 is about 579.6445037137.

The spelling of 194753453 in words is "one hundred ninety-four million, seven hundred fifty-three thousand, four hundred fifty-three".