155132078 has 8 divisors (see below), whose sum is σ = 240722280. Its totient is φ = 74891320.

The previous prime is 155132077. The next prime is 155132129. The reversal of 155132078 is 870231551.

155132078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155132077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1337288 + ... + 1337403.

It is an arithmetic number, because the mean of its divisors is an integer number (30090285).

Almost surely, 2^155132078 is an apocalyptic number.

155132078 is a deficient number, since it is larger than the sum of its proper divisors (85590202).

155132078 is a wasteful number, since it uses less digits than its factorization.

155132078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674722.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 155132078 is about 12455.2028486091. The cubic root of 155132078 is about 537.3210688350.

The spelling of 155132078 in words is "one hundred fifty-five million, one hundred thirty-two thousand, seventy-eight".