143961107455 has 64 divisors (see below), whose sum is σ = 200327178240. Its totient is φ = 98282764800.

The previous prime is 143961107449. The next prime is 143961107503. The reversal of 143961107455 is 554701169341.

It is not a de Polignac number, because 143961107455 - 2²¹ = 143959010303 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38812141 + ... + 38815849.

It is an arithmetic number, because the mean of its divisors is an integer number (3130112160).

Almost surely, 2^143961107455 is an apocalyptic number.

143961107455 is a deficient number, since it is larger than the sum of its proper divisors (56366070785).

143961107455 is a wasteful number, since it uses less digits than its factorization.

143961107455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 143961107455 in words is "one hundred forty-three billion, nine hundred sixty-one million, one hundred seven thousand, four hundred fifty-five".