155054258 has 4 divisors (see below), whose sum is σ = 232581390. Its totient is φ = 77527128.

The previous prime is 155054227. The next prime is 155054311. The reversal of 155054258 is 852450551.

155054258 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: 852450551 = 17033 ⋅50047.

It can be written as a sum of positive squares in only one way, i.e., 117440569 + 37613689 = 10837^2 + 6133^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38763563 + ... + 38763566.

Almost surely, 2^155054258 is an apocalyptic number.

155054258 is a deficient number, since it is larger than the sum of its proper divisors (77527132).

155054258 is an equidigital number, since it uses as much as digits as its factorization.

155054258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77527131.

The product of its (nonzero) digits is 40000, while the sum is 35.

The square root of 155054258 is about 12452.0784610442. The cubic root of 155054258 is about 537.2312070864.

The spelling of 155054258 in words is "one hundred fifty-five million, fifty-four thousand, two hundred fifty-eight".