154455522 has 48 divisors (see below), whose sum is σ = 352150560. Its totient is φ = 45017856.

The previous prime is 154455493. The next prime is 154455529. The reversal of 154455522 is 225554451.

154455522 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (154455529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15258 + ... + 23274.

It is an arithmetic number, because the mean of its divisors is an integer number (7336470).

Almost surely, 2^154455522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154455522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176075280).

154455522 is an abundant number, since it is smaller than the sum of its proper divisors (197695038).

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

154455522 is a wasteful number, since it uses less digits than its factorization.

154455522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8067 (or 8054 counting only the distinct ones).

The product of its digits is 40000, while the sum is 33.

The square root of 154455522 is about 12428.0135983189. The cubic root of 154455522 is about 536.5388159538.

The spelling of 154455522 in words is "one hundred fifty-four million, four hundred fifty-five thousand, five hundred twenty-two".