155011156 has 6 divisors (see below), whose sum is σ = 271269530. Its totient is φ = 77505576.

The previous prime is 155011127. The next prime is 155011163. The reversal of 155011156 is 651110551.

155011156 is digitally balanced in base 3, 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 only one way, i.e., 79495056 + 75516100 = 8916^2 + 8690^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 155011156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19376391 + ... + 19376398.

Almost surely, 2^155011156 is an apocalyptic number.

It is an amenable number.

155011156 is a deficient number, since it is larger than the sum of its proper divisors (116258374).

155011156 is a wasteful number, since it uses less digits than its factorization.

155011156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38752793 (or 38752791 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

The square root of 155011156 is about 12450.3476256689. The cubic root of 155011156 is about 537.1814226094.

The spelling of 155011156 in words is "one hundred fifty-five million, eleven thousand, one hundred fifty-six".