312145043 has 6 divisors (see below), whose sum is σ = 363107556. Its totient is φ = 267552852.

The previous prime is 312145019. The next prime is 312145063. The reversal of 312145043 is 340541213.

It is not a de Polignac number, because 312145043 - 2¹⁴ = 312128659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312145063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3185105 + ... + 3185202.

It is an arithmetic number, because the mean of its divisors is an integer number (60517926).

Almost surely, 2^312145043 is an apocalyptic number.

312145043 is a deficient number, since it is larger than the sum of its proper divisors (50962513).

312145043 is an equidigital number, since it uses as much as digits as its factorization.

312145043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370321 (or 6370314 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 312145043 is about 17667.6269770448. The cubic root of 312145043 is about 678.3473730645.

Adding to 312145043 its reverse (340541213), we get a palindrome (652686256).

The spelling of 312145043 in words is "three hundred twelve million, one hundred forty-five thousand, forty-three".