155360143 has 4 divisors (see below), whose sum is σ = 155937960. Its totient is φ = 154782328.

The previous prime is 155360137. The next prime is 155360167. The reversal of 155360143 is 341063551.

155360143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341063551 = 991 ⋅344161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155360143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155360173) 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, 288505 + ... + 289042.

It is an arithmetic number, because the mean of its divisors is an integer number (38984490).

Almost surely, 2^155360143 is an apocalyptic number.

155360143 is a deficient number, since it is larger than the sum of its proper divisors (577817).

155360143 is an equidigital number, since it uses as much as digits as its factorization.

155360143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577816.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 155360143 is about 12464.3548970655. The cubic root of 155360143 is about 537.5842512965.

The spelling of 155360143 in words is "one hundred fifty-five million, three hundred sixty thousand, one hundred forty-three".