147429922 has 4 divisors (see below), whose sum is σ = 221144886. Its totient is φ = 73714960.

The previous prime is 147429913. The next prime is 147429923. The reversal of 147429922 is 229924741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 229924741 = 43 ⋅5347087.

It can be written as a sum of positive squares in only one way, i.e., 128845201 + 18584721 = 11351^2 + 4311^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (147429923) 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 as a sum of consecutive naturals, namely, 36857479 + ... + 36857482.

Almost surely, 2^147429922 is an apocalyptic number.

147429922 is a deficient number, since it is larger than the sum of its proper divisors (73714964).

147429922 is an equidigital number, since it uses as much as digits as its factorization.

147429922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73714963.

The product of its digits is 72576, while the sum is 40.

The square root of 147429922 is about 12142.0723931296. The cubic root of 147429922 is about 528.2772137238.

The spelling of 147429922 in words is "one hundred forty-seven million, four hundred twenty-nine thousand, nine hundred twenty-two".