140544155242 has 8 divisors (see below), whose sum is σ = 214793897796. Its totient is φ = 68946189312.

The previous prime is 140544155239. The next prime is 140544155263. The reversal of 140544155242 is 242551445041.

It can be written as a sum of positive squares in 2 ways, for example, as 138883674241 + 1660481001 = 372671^2 + 40749^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662944023 + ... + 662944234.

Almost surely, 2^140544155242 is an apocalyptic number.

140544155242 is a deficient number, since it is larger than the sum of its proper divisors (74249742554).

140544155242 is a wasteful number, since it uses less digits than its factorization.

140544155242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325888312.

The product of its (nonzero) digits is 128000, while the sum is 37.

The spelling of 140544155242 in words is "one hundred forty billion, five hundred forty-four million, one hundred fifty-five thousand, two hundred forty-two".