349273545 has 16 divisors (see below), whose sum is σ = 565572672. Its totient is φ = 184034240.

The previous prime is 349273541. The next prime is 349273567. The reversal of 349273545 is 545372943.

It is not a de Polignac number, because 349273545 - 2² = 349273541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349273497 and 349273506.

It is not an unprimeable number, because it can be changed into a prime (349273541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139026 + ... + 141515.

It is an arithmetic number, because the mean of its divisors is an integer number (35348292).

Almost surely, 2^349273545 is an apocalyptic number.

It is an amenable number.

349273545 is a deficient number, since it is larger than the sum of its proper divisors (216299127).

349273545 is a wasteful number, since it uses less digits than its factorization.

349273545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280632.

The product of its digits is 453600, while the sum is 42.

The square root of 349273545 is about 18688.8615223079. The cubic root of 349273545 is about 704.2419597295.

The spelling of 349273545 in words is "three hundred forty-nine million, two hundred seventy-three thousand, five hundred forty-five".