354444453 has 18 divisors (see below), whose sum is σ = 562751462. Its totient is φ = 214814160.

The previous prime is 354444439. The next prime is 354444479.

354444453 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 340291809 + 14152644 = 18447^2 + 3762^2 .

It is not a de Polignac number, because 354444453 - 2⁸ = 354444197 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 (354449453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 161650 + ... + 163827.

Almost surely, 2^354444453 is an apocalyptic number.

354444453 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

354444453 is a deficient number, since it is larger than the sum of its proper divisors (208307009).

354444453 is a wasteful number, since it uses less digits than its factorization.

354444453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325505 (or 325491 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

The square root of 354444453 is about 18826.6952224760. The cubic root of 354444453 is about 707.7003244333.

The spelling of 354444453 in words is "three hundred fifty-four million, four hundred forty-four thousand, four hundred fifty-three".