147521037 has 4 divisors (see below), whose sum is σ = 196694720. Its totient is φ = 98347356.

The previous prime is 147521021. The next prime is 147521039. The reversal of 147521037 is 730125741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 147521037 - 2⁴ = 147521021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147520995 and 147521013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147521039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24586837 + ... + 24586842.

It is an arithmetic number, because the mean of its divisors is an integer number (49173680).

Almost surely, 2^147521037 is an apocalyptic number.

It is an amenable number.

147521037 is a deficient number, since it is larger than the sum of its proper divisors (49173683).

147521037 is an equidigital number, since it uses as much as digits as its factorization.

147521037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49173682.

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

The square root of 147521037 is about 12145.8238501964. The cubic root of 147521037 is about 528.3860203693.

Adding to 147521037 its reverse (730125741), we get a palindrome (877646778).

The spelling of 147521037 in words is "one hundred forty-seven million, five hundred twenty-one thousand, thirty-seven".