155158454 has 16 divisors (see below), whose sum is σ = 258688080. Its totient is φ = 69195360.

The previous prime is 155158447. The next prime is 155158459. The reversal of 155158454 is 454851551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155158459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65369 + ... + 67700.

It is an arithmetic number, because the mean of its divisors is an integer number (16168005).

Almost surely, 2^155158454 is an apocalyptic number.

155158454 is a deficient number, since it is larger than the sum of its proper divisors (103529626).

155158454 is a wasteful number, since it uses less digits than its factorization.

155158454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133135.

The product of its digits is 80000, while the sum is 38.

The square root of 155158454 is about 12456.2616382284. The cubic root of 155158454 is about 537.3515193981.

The spelling of 155158454 in words is "one hundred fifty-five million, one hundred fifty-eight thousand, four hundred fifty-four".