143135223730 has 16 divisors (see below), whose sum is σ = 266527658520. Its totient is φ = 55279810432.

The previous prime is 143135223727. The next prime is 143135223743. The reversal of 143135223730 is 37322531341.

It can be written as a sum of positive squares in 4 ways, for example, as 114297410241 + 28837813489 = 338079^2 + 169817^2 .

It is a super-2 number, since 2×143135223730² (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 7 ways as a sum of consecutive naturals, for example, 246784579 + ... + 246785158.

Almost surely, 2^143135223730 is an apocalyptic number.

143135223730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143135223730 is a deficient number, since it is larger than the sum of its proper divisors (123392434790).

143135223730 is a wasteful number, since it uses less digits than its factorization.

143135223730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493569773.

The product of its (nonzero) digits is 45360, while the sum is 34.

The spelling of 143135223730 in words is "one hundred forty-three billion, one hundred thirty-five million, two hundred twenty-three thousand, seven hundred thirty".