155235455 has 8 divisors (see below), whose sum is σ = 186535104. Its totient is φ = 124020000.

The previous prime is 155235439. The next prime is 155235467. The reversal of 155235455 is 554532551.

155235455 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 155235455 - 2⁴ = 155235439 is a prime.

It is a Duffinian number.

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, 16916 + ... + 24425.

It is an arithmetic number, because the mean of its divisors is an integer number (23316888).

Almost surely, 2^155235455 is an apocalyptic number.

155235455 is a deficient number, since it is larger than the sum of its proper divisors (31299649).

155235455 is an equidigital number, since it uses as much as digits as its factorization.

155235455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42097.

The product of its digits is 75000, while the sum is 35.

The square root of 155235455 is about 12459.3521099614. The cubic root of 155235455 is about 537.4403957703.

The spelling of 155235455 in words is "one hundred fifty-five million, two hundred thirty-five thousand, four hundred fifty-five".