147229793 has 4 divisors (see below), whose sum is σ = 147674928. Its totient is φ = 146784660.

The previous prime is 147229759. The next prime is 147229837. The reversal of 147229793 is 397922741.

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: 397922741 = 373 ⋅1066817.

It is a cyclic number.

It is not a de Polignac number, because 147229793 - 2²² = 143035489 is a prime.

It is a super-2 number, since 2×147229793² = 43353223893645698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147229493) 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 3 ways as a sum of consecutive naturals, for example, 222071 + ... + 222732.

It is an arithmetic number, because the mean of its divisors is an integer number (36918732).

Almost surely, 2^147229793 is an apocalyptic number.

It is an amenable number.

147229793 is a deficient number, since it is larger than the sum of its proper divisors (445135).

147229793 is an equidigital number, since it uses as much as digits as its factorization.

147229793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445134.

The product of its digits is 190512, while the sum is 44.

The square root of 147229793 is about 12133.8284560150. The cubic root of 147229793 is about 528.0380685458.

The spelling of 147229793 in words is "one hundred forty-seven million, two hundred twenty-nine thousand, seven hundred ninety-three".