147773453 has 4 divisors (see below), whose sum is σ = 148547328. Its totient is φ = 146999580.

The previous prime is 147773447. The next prime is 147773477. The reversal of 147773453 is 354377741.

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, and also an emirpimes, since its reverse is a distinct semiprime: 354377741 = 349 ⋅1015409.

It is a cyclic number.

It is not a de Polignac number, because 147773453 - 2¹⁴ = 147757069 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 147773453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147773053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386651 + ... + 387032.

It is an arithmetic number, because the mean of its divisors is an integer number (37136832).

Almost surely, 2^147773453 is an apocalyptic number.

It is an amenable number.

147773453 is a deficient number, since it is larger than the sum of its proper divisors (773875).

147773453 is an equidigital number, since it uses as much as digits as its factorization.

147773453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773874.

The product of its digits is 246960, while the sum is 41.

The square root of 147773453 is about 12156.2104703727. The cubic root of 147773453 is about 528.6872137703.

The spelling of 147773453 in words is "one hundred forty-seven million, seven hundred seventy-three thousand, four hundred fifty-three".