155375268 has 12 divisors (see below), whose sum is σ = 362542320. Its totient is φ = 51791752.

The previous prime is 155375267. The next prime is 155375273. The reversal of 155375268 is 862573551.

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

It is not an unprimeable number, because it can be changed into a prime (155375267) 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, 6473958 + ... + 6473981.

It is an arithmetic number, because the mean of its divisors is an integer number (30211860).

Almost surely, 2^155375268 is an apocalyptic number.

It is an amenable number.

155375268 is an abundant number, since it is smaller than the sum of its proper divisors (207167052).

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

155375268 is a wasteful number, since it uses less digits than its factorization.

155375268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12947946 (or 12947944 counting only the distinct ones).

The product of its digits is 252000, while the sum is 42.

The square root of 155375268 is about 12464.9616124559. The cubic root of 155375268 is about 537.6016961353.

The spelling of 155375268 in words is "one hundred fifty-five million, three hundred seventy-five thousand, two hundred sixty-eight".