155534116 has 6 divisors (see below), whose sum is σ = 272184710. Its totient is φ = 77767056.

The previous prime is 155534107. The next prime is 155534129. The reversal of 155534116 is 611435551.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 149964516 + 5569600 = 12246^2 + 2360^2 .

It is a super-2 number, since 2×155534116² = 48381722479802912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19441761 + ... + 19441768.

Almost surely, 2^155534116 is an apocalyptic number.

It is an amenable number.

155534116 is a deficient number, since it is larger than the sum of its proper divisors (116650594).

155534116 is a wasteful number, since it uses less digits than its factorization.

155534116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38883533 (or 38883531 counting only the distinct ones).

The product of its digits is 9000, while the sum is 31.

The square root of 155534116 is about 12471.3317652928. The cubic root of 155534116 is about 537.7848395446.

Adding to 155534116 its reverse (611435551), we get a palindrome (766969667).

The spelling of 155534116 in words is "one hundred fifty-five million, five hundred thirty-four thousand, one hundred sixteen".