143422346 has 32 divisors (see below), whose sum is σ = 228641616. Its totient is φ = 67392000.

The previous prime is 143422339. The next prime is 143422351. The reversal of 143422346 is 643224341.

It can be written as a sum of positive squares in 8 ways, for example, as 9765625 + 133656721 = 3125^2 + 11561^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264836 + ... + 265376.

Almost surely, 2^143422346 is an apocalyptic number.

143422346 is a deficient number, since it is larger than the sum of its proper divisors (85219270).

143422346 is a wasteful number, since it uses less digits than its factorization.

143422346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698.

The product of its digits is 13824, while the sum is 29.

The square root of 143422346 is about 11975.9068967657. The cubic root of 143422346 is about 523.4464683890.

Adding to 143422346 its reverse (643224341), we get a palindrome (786646687).

The spelling of 143422346 in words is "one hundred forty-three million, four hundred twenty-two thousand, three hundred forty-six".