147521052 has 72 divisors (see below), whose sum is σ = 429383136. Its totient is φ = 41831424.

The previous prime is 147521051. The next prime is 147521081. The reversal of 147521052 is 250125741.

It is a super-3 number, since 3×147521052³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147521051) 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, 32388 + ... + 36660.

Almost surely, 2^147521052 is an apocalyptic number.

147521052 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 147521052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214691568).

147521052 is an abundant number, since it is smaller than the sum of its proper divisors (281862084).

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

147521052 is a wasteful number, since it uses less digits than its factorization.

147521052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427 (or 4422 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 147521052 is about 12145.8244676926. The cubic root of 147521052 is about 528.3860382781.

Adding to 147521052 its reverse (250125741), we get a palindrome (397646793).

The spelling of 147521052 in words is "one hundred forty-seven million, five hundred twenty-one thousand, fifty-two".