155200454 has 8 divisors (see below), whose sum is σ = 232868280. Its totient is φ = 77577696.

The previous prime is 155200453. The next prime is 155200471. The reversal of 155200454 is 454002551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×155200454³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155200453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659 + ... + 17630.

It is an arithmetic number, because the mean of its divisors is an integer number (29108535).

Almost surely, 2^155200454 is an apocalyptic number.

155200454 is a deficient number, since it is larger than the sum of its proper divisors (77667826).

155200454 is a wasteful number, since it uses less digits than its factorization.

155200454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22534.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 155200454 is about 12457.9474232315. The cubic root of 155200454 is about 537.4000004340.

The spelling of 155200454 in words is "one hundred fifty-five million, two hundred thousand, four hundred fifty-four".