155342245403 has 2 divisors, whose sum is σ = 155342245404. Its totient is φ = 155342245402.

The previous prime is 155342245381. The next prime is 155342245427. The reversal of 155342245403 is 304542243551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155342245403 - 2²⁴ = 155325468187 is a prime.

It is not a weakly prime, because it can be changed into another prime (155342245463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77671122701 + 77671122702.

It is an arithmetic number, because the mean of its divisors is an integer number (77671122702).

Almost surely, 2^155342245403 is an apocalyptic number.

155342245403 is a deficient number, since it is larger than the sum of its proper divisors (1).

155342245403 is an equidigital number, since it uses as much as digits as its factorization.

155342245403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 155342245403 its reverse (304542243551), we get a palindrome (459884488954).

The spelling of 155342245403 in words is "one hundred fifty-five billion, three hundred forty-two million, two hundred forty-five thousand, four hundred three".