147840029 has 4 divisors (see below), whose sum is σ = 148590684. Its totient is φ = 147089376.

The previous prime is 147840019. The next prime is 147840031. The reversal of 147840029 is 920048741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65448100 + 82391929 = 8090^2 + 9077^2 .

It is a cyclic number.

It is not a de Polignac number, because 147840029 - 2⁴ = 147840013 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 (147840019) 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, 375032 + ... + 375425.

It is an arithmetic number, because the mean of its divisors is an integer number (37147671).

Almost surely, 2^147840029 is an apocalyptic number.

It is an amenable number.

147840029 is a deficient number, since it is larger than the sum of its proper divisors (750655).

147840029 is an equidigital number, since it uses as much as digits as its factorization.

147840029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750654.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 147840029 is about 12158.9485153939. The cubic root of 147840029 is about 528.7665978877.

The spelling of 147840029 in words is "one hundred forty-seven million, eight hundred forty thousand, twenty-nine".