143665623325342 has 32 divisors (see below), whose sum is σ = 221046850221120. Its totient is φ = 70001760940800.

The previous prime is 143665623325319. The next prime is 143665623325391. The reversal of 143665623325342 is 243523326566341.

It is a happy number.

It is a super-2 number, since 2×143665623325342² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125123634 + ... + 126266602.

It is an arithmetic number, because the mean of its divisors is an integer number (6907714069410).

Almost surely, 2^{143665623325342} is an apocalyptic number.

143665623325342 is a deficient number, since it is larger than the sum of its proper divisors (77381226895778).

143665623325342 is a wasteful number, since it uses less digits than its factorization.

143665623325342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151028.

The product of its digits is 55987200, while the sum is 55.

The spelling of 143665623325342 in words is "one hundred forty-three trillion, six hundred sixty-five billion, six hundred twenty-three million, three hundred twenty-five thousand, three hundred forty-two".