143694943042 has 32 divisors (see below), whose sum is σ = 254389968000. Its totient is φ = 60841552464.

The previous prime is 143694942997. The next prime is 143694943043. The reversal of 143694943042 is 240349496341.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (143694943043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1204917 + ... + 1318792.

It is an arithmetic number, because the mean of its divisors is an integer number (7949686500).

Almost surely, 2^143694943042 is an apocalyptic number.

143694943042 is a deficient number, since it is larger than the sum of its proper divisors (110695024958).

143694943042 is an equidigital number, since it uses as much as digits as its factorization.

143694943042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523815 (or 2523801 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 49.

The spelling of 143694943042 in words is "one hundred forty-three billion, six hundred ninety-four million, nine hundred forty-three thousand, forty-two".