155480068 has 18 divisors (see below), whose sum is σ = 279652506. Its totient is φ = 75636288.

The previous prime is 155480057. The next prime is 155480071. The reversal of 155480068 is 860084551.

It can be written as a sum of positive squares in 3 ways, for example, as 131056704 + 24423364 = 11448^2 + 4942^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8721 + ... + 19672.

Almost surely, 2^155480068 is an apocalyptic number.

It is an amenable number.

155480068 is a deficient number, since it is larger than the sum of its proper divisors (124172438).

155480068 is a wasteful number, since it uses less digits than its factorization.

155480068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28471 (or 28432 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 155480068 is about 12469.1646873397. The cubic root of 155480068 is about 537.7225390383.

The spelling of 155480068 in words is "one hundred fifty-five million, four hundred eighty thousand, sixty-eight".