155145443153 has 4 divisors (see below), whose sum is σ = 155147040420. Its totient is φ = 155143845888.

The previous prime is 155145443093. The next prime is 155145443161. The reversal of 155145443153 is 351344541551.

155145443153 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: 351344541551 = 29 ⋅12115329019.

It can be written as a sum of positive squares in 2 ways, for example, as 38818062529 + 116327380624 = 197023^2 + 341068^2 .

It is a cyclic number.

It is not a de Polignac number, because 155145443153 - 2²⁰ = 155144394577 is a prime.

It is a super-2 number, since 2×155145443153² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155145443153.

It is not an unprimeable number, because it can be changed into a prime (155145443353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642800 + ... + 850577.

It is an arithmetic number, because the mean of its divisors is an integer number (38786760105).

Almost surely, 2^155145443153 is an apocalyptic number.

It is an amenable number.

155145443153 is a deficient number, since it is larger than the sum of its proper divisors (1597267).

155145443153 is a wasteful number, since it uses less digits than its factorization.

155145443153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597266.

The product of its digits is 360000, while the sum is 41.

The spelling of 155145443153 in words is "one hundred fifty-five billion, one hundred forty-five million, four hundred forty-three thousand, one hundred fifty-three".