242156003403 has 16 divisors (see below), whose sum is σ = 323154827136. Its totient is φ = 161297319360.

The previous prime is 242156003399. The next prime is 242156003407. The reversal of 242156003403 is 304300651242.

It is an interprime number because it is at equal distance from previous prime (242156003399) and next prime (242156003407).

It is not a de Polignac number, because 242156003403 - 2² = 242156003399 is a prime.

It is a super-2 number, since 2×242156003403² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242156003407) 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, 31481788 + ... + 31489478.

It is an arithmetic number, because the mean of its divisors is an integer number (20197176696).

Almost surely, 2^242156003403 is an apocalyptic number.

242156003403 is a deficient number, since it is larger than the sum of its proper divisors (80998823733).

242156003403 is a wasteful number, since it uses less digits than its factorization.

242156003403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15434.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 242156003403 its reverse (304300651242), we get a palindrome (546456654645).

The spelling of 242156003403 in words is "two hundred forty-two billion, one hundred fifty-six million, three thousand, four hundred three".