242156155342 has 32 divisors (see below), whose sum is σ = 401468348160. Its totient is φ = 109040701440.

The previous prime is 242156155327. The next prime is 242156155349. The reversal of 242156155342 is 243551651242.

It is a junction number, because it is equal to n+sod(n) for n = 242156155295 and 242156155304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242156155349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1196923 + ... + 1384534.

It is an arithmetic number, because the mean of its divisors is an integer number (12545885880).

Almost surely, 2^242156155342 is an apocalyptic number.

242156155342 is a deficient number, since it is larger than the sum of its proper divisors (159312192818).

242156155342 is a wasteful number, since it uses less digits than its factorization.

242156155342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581596.

The product of its digits is 288000, while the sum is 40.

The spelling of 242156155342 in words is "two hundred forty-two billion, one hundred fifty-six million, one hundred fifty-five thousand, three hundred forty-two".