155054678 has 4 divisors (see below), whose sum is σ = 232582020. Its totient is φ = 77527338.

The previous prime is 155054659. The next prime is 155054693. The reversal of 155054678 is 876450551.

155054678 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 876450551 = 89 ⋅9847759.

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, 38763668 + ... + 38763671.

It is an arithmetic number, because the mean of its divisors is an integer number (58145505).

Almost surely, 2^155054678 is an apocalyptic number.

155054678 is a deficient number, since it is larger than the sum of its proper divisors (77527342).

155054678 is an equidigital number, since it uses as much as digits as its factorization.

155054678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77527341.

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 155054678 is about 12452.0953256872. The cubic root of 155054678 is about 537.2316921572.

The spelling of 155054678 in words is "one hundred fifty-five million, fifty-four thousand, six hundred seventy-eight".