143920945995 has 16 divisors (see below), whose sum is σ = 230331336480. Its totient is φ = 76738563584.

The previous prime is 143920945981. The next prime is 143920946003. The reversal of 143920945995 is 599549029341.

It is a cyclic number.

It is not a de Polignac number, because 143920945995 - 2⁴ = 143920945979 is a prime.

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, 1142814 + ... + 1262483.

It is an arithmetic number, because the mean of its divisors is an integer number (14395708530).

Almost surely, 2^143920945995 is an apocalyptic number.

143920945995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

143920945995 is a deficient number, since it is larger than the sum of its proper divisors (86410390485).

143920945995 is a wasteful number, since it uses less digits than its factorization.

143920945995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409294.

The product of its (nonzero) digits is 15746400, while the sum is 60.

The spelling of 143920945995 in words is "one hundred forty-three billion, nine hundred twenty million, nine hundred forty-five thousand, nine hundred ninety-five".