312144354 has 40 divisors (see below), whose sum is σ = 702026028. Its totient is φ = 103662720.

The previous prime is 312144347. The next prime is 312144367. The reversal of 312144354 is 453441213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 291487329 + 20657025 = 17073^2 + 4545^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42094 + ... + 48950.

Almost surely, 2^312144354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312144354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351013014).

312144354 is an abundant number, since it is smaller than the sum of its proper divisors (389881674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312144354 is a wasteful number, since it uses less digits than its factorization.

312144354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7152 (or 7143 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 312144354 is about 17667.6074780939. The cubic root of 312144354 is about 678.3468739571.

Adding to 312144354 its reverse (453441213), we get a palindrome (765585567).

The spelling of 312144354 in words is "three hundred twelve million, one hundred forty-four thousand, three hundred fifty-four".