155445482 has 8 divisors (see below), whose sum is σ = 234136452. Its totient is φ = 77400000.

The previous prime is 155445463. The next prime is 155445491. The reversal of 155445482 is 284544551.

It is a happy number.

155445482 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 154281241 + 1164241 = 12421^2 + 1079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160769 + ... + 161732.

Almost surely, 2^155445482 is an apocalyptic number.

155445482 is a deficient number, since it is larger than the sum of its proper divisors (78690970).

155445482 is a wasteful number, since it uses less digits than its factorization.

155445482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322744.

The product of its digits is 128000, while the sum is 38.

The square root of 155445482 is about 12467.7777490618. Note that the first 4 decimals coincide. The cubic root of 155445482 is about 537.6826645791.

The spelling of 155445482 in words is "one hundred fifty-five million, four hundred forty-five thousand, four hundred eighty-two".