155241454 has 8 divisors (see below), whose sum is σ = 235478880. Its totient is φ = 76748496.

The previous prime is 155241451. The next prime is 155241469. The reversal of 155241454 is 454142551.

It is a happy number.

155241454 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 a super-3 number, since 3×155241454³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155241451) 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, 435894 + ... + 436249.

It is an arithmetic number, because the mean of its divisors is an integer number (29434860).

Almost surely, 2^155241454 is an apocalyptic number.

155241454 is a deficient number, since it is larger than the sum of its proper divisors (80237426).

155241454 is an equidigital number, since it uses as much as digits as its factorization.

155241454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872234.

The product of its digits is 16000, while the sum is 31.

The square root of 155241454 is about 12459.5928504907. The cubic root of 155241454 is about 537.4473187236.

The spelling of 155241454 in words is "one hundred fifty-five million, two hundred forty-one thousand, four hundred fifty-four".