147539028 has 144 divisors (see below), whose sum is σ = 449272320. Its totient is φ = 36796032.

The previous prime is 147539027. The next prime is 147539069. The reversal of 147539028 is 820935741.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147539027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269451 + ... + 269997.

Almost surely, 2^147539028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147539028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224636160).

147539028 is an abundant number, since it is smaller than the sum of its proper divisors (301733292).

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

147539028 is a wasteful number, since it uses less digits than its factorization.

147539028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 147539028 is about 12146.5644525520. The cubic root of 147539028 is about 528.4074993544.

The spelling of 147539028 in words is "one hundred forty-seven million, five hundred thirty-nine thousand, twenty-eight".