155343156 has 12 divisors (see below), whose sum is σ = 362467392. Its totient is φ = 51781048.

The previous prime is 155343143. The next prime is 155343187. The reversal of 155343156 is 651343551.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×155343156² = 48262992232080672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6472620 + ... + 6472643.

It is an arithmetic number, because the mean of its divisors is an integer number (30205616).

Almost surely, 2^155343156 is an apocalyptic number.

It is an amenable number.

155343156 is an abundant number, since it is smaller than the sum of its proper divisors (207124236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155343156 is a wasteful number, since it uses less digits than its factorization.

155343156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12945270 (or 12945268 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 155343156 is about 12463.6734552860. The cubic root of 155343156 is about 537.5646575184.

The spelling of 155343156 in words is "one hundred fifty-five million, three hundred forty-three thousand, one hundred fifty-six".