154455552 has 80 divisors (see below), whose sum is σ = 457240080. Its totient is φ = 51480576.

The previous prime is 154455533. The next prime is 154455559. The reversal of 154455552 is 255554451.

154455552 is a `hidden beast` number, since 1 + 54 + 4 + 55 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154455559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8238 + ... + 19410.

It is an arithmetic number, because the mean of its divisors is an integer number (5715501).

Almost surely, 2^154455552 is an apocalyptic number.

154455552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154455552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228620040).

154455552 is an abundant number, since it is smaller than the sum of its proper divisors (302784528).

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

154455552 is an equidigital number, since it uses as much as digits as its factorization.

154455552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11200 (or 11178 counting only the distinct ones).

The product of its digits is 100000, while the sum is 36.

The square root of 154455552 is about 12428.0148052696. The cubic root of 154455552 is about 536.5388506912.

The spelling of 154455552 in words is "one hundred fifty-four million, four hundred fifty-five thousand, five hundred fifty-two".