155063455 has 4 divisors (see below), whose sum is σ = 186076152. Its totient is φ = 124050760.

The previous prime is 155063453. The next prime is 155063471. The reversal of 155063455 is 554360551.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 155063455 - 2¹ = 155063453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155063455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155063453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15506341 + ... + 15506350.

It is an arithmetic number, because the mean of its divisors is an integer number (46519038).

Almost surely, 2^155063455 is an apocalyptic number.

155063455 is a deficient number, since it is larger than the sum of its proper divisors (31012697).

155063455 is an equidigital number, since it uses as much as digits as its factorization.

155063455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31012696.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 155063455 is about 12452.4477513459. The cubic root of 155063455 is about 537.2418287827.

The spelling of 155063455 in words is "one hundred fifty-five million, sixty-three thousand, four hundred fifty-five".