147521154 has 64 divisors (see below), whose sum is σ = 331164288. Its totient is φ = 43430400.

The previous prime is 147521147. The next prime is 147521159. The reversal of 147521154 is 451125741.

147521154 is digitally balanced in base 2, because in such base 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 (147521159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 633022 + ... + 633254.

It is an arithmetic number, because the mean of its divisors is an integer number (5174442).

Almost surely, 2^147521154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147521154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165582144).

147521154 is an abundant number, since it is smaller than the sum of its proper divisors (183643134).

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

147521154 is a wasteful number, since it uses less digits than its factorization.

147521154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483.

The product of its digits is 5600, while the sum is 30.

The square root of 147521154 is about 12145.8286666658. The cubic root of 147521154 is about 528.3861600582.

Adding to 147521154 its reverse (451125741), we get a palindrome (598646895).

The spelling of 147521154 in words is "one hundred forty-seven million, five hundred twenty-one thousand, one hundred fifty-four".