143406243290 has 32 divisors (see below), whose sum is σ = 274731633360. Its totient is φ = 53708488704.

The previous prime is 143406243271. The next prime is 143406243313. The reversal of 143406243290 is 92342604341.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 28331285761 + 115074957529 = 168319^2 + 339227^2 .

It is a super-2 number, since 2×143406243290² (a number of 23 digits) contains 22 as substring.

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, 2152595 + ... + 2218214.

Almost surely, 2^143406243290 is an apocalyptic number.

143406243290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143406243290 is a deficient number, since it is larger than the sum of its proper divisors (131325390070).

143406243290 is a wasteful number, since it uses less digits than its factorization.

143406243290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371026.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 143406243290 in words is "one hundred forty-three billion, four hundred six million, two hundred forty-three thousand, two hundred ninety".