312106545 has 24 divisors (see below), whose sum is σ = 541682856. Its totient is φ = 166242048.

The previous prime is 312106517. The next prime is 312106577. The reversal of 312106545 is 545601213.

312106545 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 0 + 654 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 84217329 + 227889216 = 9177^2 + 15096^2 .

It is not a de Polignac number, because 312106545 - 2¹² = 312102449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34519 + ... + 42611.

It is an arithmetic number, because the mean of its divisors is an integer number (22570119).

Almost surely, 2^312106545 is an apocalyptic number.

It is an amenable number.

312106545 is a deficient number, since it is larger than the sum of its proper divisors (229576311).

312106545 is a wasteful number, since it uses less digits than its factorization.

312106545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8961 (or 8958 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 312106545 is about 17666.5374366343. The cubic root of 312106545 is about 678.3194842230.

Adding to 312106545 its reverse (545601213), we get a palindrome (857707758).

The spelling of 312106545 in words is "three hundred twelve million, one hundred six thousand, five hundred forty-five".