155067072 has 56 divisors (see below), whose sum is σ = 411211776. Its totient is φ = 51571968.

The previous prime is 155067071. The next prime is 155067079. The reversal of 155067072 is 270760551.

It is not an unprimeable number, because it can be changed into a prime (155067071) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 142113 + ... + 143199.

Almost surely, 2^155067072 is an apocalyptic number.

155067072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155067072 is an abundant number, since it is smaller than the sum of its proper divisors (256144704).

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

155067072 is a wasteful number, since it uses less digits than its factorization.

155067072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845 (or 1835 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 155067072 is about 12452.5929829895. The cubic root of 155067072 is about 537.2460059728.

It can be divided in two parts, 15506 and 7072, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 155067072 in words is "one hundred fifty-five million, sixty-seven thousand, seventy-two".