4312240145 has 8 divisors (see below), whose sum is σ = 5479081704. Its totient is φ = 3246863104.

The previous prime is 4312240117. The next prime is 4312240157. The reversal of 4312240145 is 5410422134.

It can be written as a sum of positive squares in 4 ways, for example, as 792309904 + 3519930241 = 28148^2 + 59329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4312240145 - 2⁸ = 4312239889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25366034 + ... + 25366203.

It is an arithmetic number, because the mean of its divisors is an integer number (684885213).

Almost surely, 2^4312240145 is an apocalyptic number.

It is an amenable number.

4312240145 is a deficient number, since it is larger than the sum of its proper divisors (1166841559).

4312240145 is a wasteful number, since it uses less digits than its factorization.

4312240145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50732259.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 4312240145 is about 65667.6491508566. The cubic root of 4312240145 is about 1627.6748240511.

Adding to 4312240145 its reverse (5410422134), we get a palindrome (9722662279).

The spelling of 4312240145 in words is "four billion, three hundred twelve million, two hundred forty thousand, one hundred forty-five".