155356106 has 4 divisors (see below), whose sum is σ = 233034162. Its totient is φ = 77678052.

The previous prime is 155356087. The next prime is 155356109. The reversal of 155356106 is 601653551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601653551 = 383 ⋅1570897.

It can be written as a sum of positive squares in only one way, i.e., 147744025 + 7612081 = 12155^2 + 2759^2 .

It is not an unprimeable number, because it can be changed into a prime (155356109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38839025 + ... + 38839028.

Almost surely, 2^155356106 is an apocalyptic number.

155356106 is a deficient number, since it is larger than the sum of its proper divisors (77678056).

155356106 is an equidigital number, since it uses as much as digits as its factorization.

155356106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77678055.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 155356106 is about 12464.1929542189. The cubic root of 155356106 is about 537.5795949190.

The spelling of 155356106 in words is "one hundred fifty-five million, three hundred fifty-six thousand, one hundred six".