354273345 has 48 divisors (see below), whose sum is σ = 651723072. Its totient is φ = 184524480.

The previous prime is 354273329. The next prime is 354273349. The reversal of 354273345 is 543372453.

354273345 is a `hidden beast` number, since 3 + 542 + 73 + 3 + 45 = 666.

It is not a de Polignac number, because 354273345 - 2⁴ = 354273329 is a prime.

It is a super-3 number, since 3×354273345³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (354273349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48855 + ... + 55635.

It is an arithmetic number, because the mean of its divisors is an integer number (13577564).

Almost surely, 2^354273345 is an apocalyptic number.

It is an amenable number.

354273345 is a deficient number, since it is larger than the sum of its proper divisors (297449727).

354273345 is an equidigital number, since it uses as much as digits as its factorization.

354273345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844 (or 6832 counting only the distinct ones).

The product of its digits is 151200, while the sum is 36.

The square root of 354273345 is about 18822.1503819303. The cubic root of 354273345 is about 707.5864253656.

It can be divided in two parts, 3 and 54273345, that multiplied together give a triangular number (162820035 = T₁₈₀₄₅).

The spelling of 354273345 in words is "three hundred fifty-four million, two hundred seventy-three thousand, three hundred forty-five".