155041452 has 30 divisors (see below), whose sum is σ = 405309828. Its totient is φ = 51680376.

The previous prime is 155041441. The next prime is 155041457. The reversal of 155041452 is 254140551.

155041452 is a `hidden beast` number, since 15 + 504 + 145 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (155041457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 238938 + ... + 239585.

Almost surely, 2^155041452 is an apocalyptic number.

155041452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155041452 is an abundant number, since it is smaller than the sum of its proper divisors (250268376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155041452 is a wasteful number, since it uses less digits than its factorization.

155041452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478539 (or 478528 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 155041452 is about 12451.5642390826. The cubic root of 155041452 is about 537.2164166246.

Subtracting 155041452 from its reverse (254140551), we obtain a palindrome (99099099).

The spelling of 155041452 in words is "one hundred fifty-five million, forty-one thousand, four hundred fifty-two".