155410700243 has 4 divisors (see below), whose sum is σ = 155413054968. Its totient is φ = 155408345520.

The previous prime is 155410700209. The next prime is 155410700251. The reversal of 155410700243 is 342007014551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342007014551 = 277 ⋅1234682363.

It is a cyclic number.

It is not a de Polignac number, because 155410700243 - 2⁸ = 155410699987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155410700273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075421 + ... + 1211342.

It is an arithmetic number, because the mean of its divisors is an integer number (38853263742).

Almost surely, 2^155410700243 is an apocalyptic number.

155410700243 is a deficient number, since it is larger than the sum of its proper divisors (2354725).

155410700243 is an equidigital number, since it uses as much as digits as its factorization.

155410700243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354724.

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 155410700243 its reverse (342007014551), we get a palindrome (497417714794).

The spelling of 155410700243 in words is "one hundred fifty-five billion, four hundred ten million, seven hundred thousand, two hundred forty-three".