155271143852 has 24 divisors (see below), whose sum is σ = 296867241552. Its totient is φ = 70472908800.

The previous prime is 155271143813. The next prime is 155271143861. The reversal of 155271143852 is 258341172551.

It is a super-2 number, since 2×155271143852² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2592149 + ... + 2651372.

It is an arithmetic number, because the mean of its divisors is an integer number (12369468398).

Almost surely, 2^155271143852 is an apocalyptic number.

It is an amenable number.

155271143852 is a deficient number, since it is larger than the sum of its proper divisors (141596097700).

155271143852 is a wasteful number, since it uses less digits than its factorization.

155271143852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5244209 (or 5244207 counting only the distinct ones).

The product of its digits is 336000, while the sum is 44.

The spelling of 155271143852 in words is "one hundred fifty-five billion, two hundred seventy-one million, one hundred forty-three thousand, eight hundred fifty-two".