155854455 has 8 divisors (see below), whose sum is σ = 249367152. Its totient is φ = 83122368.

The previous prime is 155854441. The next prime is 155854481. The reversal of 155854455 is 554458551.

155854455 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 not a de Polignac number, because 155854455 - 2⁸ = 155854199 is a prime.

It is a super-2 number, since 2×155854455² = 48581222286694050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5195134 + ... + 5195163.

It is an arithmetic number, because the mean of its divisors is an integer number (31170894).

Almost surely, 2^155854455 is an apocalyptic number.

155854455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155854455 is a deficient number, since it is larger than the sum of its proper divisors (93512697).

155854455 is a wasteful number, since it uses less digits than its factorization.

155854455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10390305.

The product of its digits is 400000, while the sum is 42.

The square root of 155854455 is about 12484.1681741316. The cubic root of 155854455 is about 538.1537946554.

The spelling of 155854455 in words is "one hundred fifty-five million, eight hundred fifty-four thousand, four hundred fifty-five".