147448137 has 4 divisors (see below), whose sum is σ = 196597520. Its totient is φ = 98298756.

The previous prime is 147448129. The next prime is 147448159. The reversal of 147448137 is 731844741.

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: 731844741 = 3 ⋅243948247.

It is not a de Polignac number, because 147448137 - 2³ = 147448129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147448095 and 147448104.

It is not an unprimeable number, because it can be changed into a prime (147448127) 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, 24574687 + ... + 24574692.

It is an arithmetic number, because the mean of its divisors is an integer number (49149380).

Almost surely, 2^147448137 is an apocalyptic number.

It is an amenable number.

147448137 is a deficient number, since it is larger than the sum of its proper divisors (49149383).

147448137 is an equidigital number, since it uses as much as digits as its factorization.

147448137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49149382.

The product of its digits is 75264, while the sum is 39.

The square root of 147448137 is about 12142.8224478496. The cubic root of 147448137 is about 528.2989690840.

The spelling of 147448137 in words is "one hundred forty-seven million, four hundred forty-eight thousand, one hundred thirty-seven".