147145737 has 4 divisors (see below), whose sum is σ = 196194320. Its totient is φ = 98097156.

The previous prime is 147145721. The next prime is 147145751. The reversal of 147145737 is 737541741.

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, and also an emirpimes, since its reverse is a distinct semiprime: 737541741 = 3 ⋅245847247.

It is not a de Polignac number, because 147145737 - 2⁴ = 147145721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147145695 and 147145704.

It is not an unprimeable number, because it can be changed into a prime (147145717) 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, 24524287 + ... + 24524292.

It is an arithmetic number, because the mean of its divisors is an integer number (49048580).

Almost surely, 2^147145737 is an apocalyptic number.

It is an amenable number.

147145737 is a deficient number, since it is larger than the sum of its proper divisors (49048583).

147145737 is an equidigital number, since it uses as much as digits as its factorization.

147145737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49048582.

The product of its digits is 82320, while the sum is 39.

The square root of 147145737 is about 12130.3642566907. The cubic root of 147145737 is about 527.9375607696.

The spelling of 147145737 in words is "one hundred forty-seven million, one hundred forty-five thousand, seven hundred thirty-seven".