147521073 has 32 divisors (see below), whose sum is σ = 237552640. Its totient is φ = 79548480.

The previous prime is 147521051. The next prime is 147521081. The reversal of 147521073 is 370125741.

It is not a de Polignac number, because 147521073 - 2¹⁰ = 147520049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147521073.

It is not an unprimeable number, because it can be changed into a prime (147521093) 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, 131511 + ... + 132627.

It is an arithmetic number, because the mean of its divisors is an integer number (7423520).

Almost surely, 2^147521073 is an apocalyptic number.

It is an amenable number.

147521073 is a deficient number, since it is larger than the sum of its proper divisors (90031567).

147521073 is a wasteful number, since it uses less digits than its factorization.

147521073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 147521073 is about 12145.8253321872. The cubic root of 147521073 is about 528.3860633505.

The spelling of 147521073 in words is "one hundred forty-seven million, five hundred twenty-one thousand, seventy-three".