147869429 has 4 divisors (see below), whose sum is σ = 150293580. Its totient is φ = 145445280.

The previous prime is 147869401. The next prime is 147869431. The reversal of 147869429 is 924968741.

147869429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924968741 = 1493 ⋅619537.

It can be written as a sum of positive squares in 2 ways, for example, as 45252529 + 102616900 = 6727^2 + 10130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147869429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147868429) 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, 1211984 + ... + 1212105.

It is an arithmetic number, because the mean of its divisors is an integer number (37573395).

Almost surely, 2^147869429 is an apocalyptic number.

It is an amenable number.

147869429 is a deficient number, since it is larger than the sum of its proper divisors (2424151).

147869429 is an equidigital number, since it uses as much as digits as its factorization.

147869429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424150.

The product of its digits is 870912, while the sum is 50.

The square root of 147869429 is about 12160.1574414150. The cubic root of 147869429 is about 528.8016463737.

It can be divided in two parts, 1478 and 69429, that added together give a palindrome (70907).

The spelling of 147869429 in words is "one hundred forty-seven million, eight hundred sixty-nine thousand, four hundred twenty-nine".