147420111 has 4 divisors (see below), whose sum is σ = 196560152. Its totient is φ = 98280072.

The previous prime is 147420101. The next prime is 147420113. The reversal of 147420111 is 111024741.

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

It is not a de Polignac number, because 147420111 - 2¹⁴ = 147403727 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 (147420113) 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, 24570016 + ... + 24570021.

It is an arithmetic number, because the mean of its divisors is an integer number (49140038).

Almost surely, 2^147420111 is an apocalyptic number.

147420111 is a deficient number, since it is larger than the sum of its proper divisors (49140041).

147420111 is an equidigital number, since it uses as much as digits as its factorization.

147420111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49140040.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 147420111 is about 12141.6683779454. The cubic root of 147420111 is about 528.2654950653.

Adding to 147420111 its reverse (111024741), we get a palindrome (258444852).

The spelling of 147420111 in words is "one hundred forty-seven million, four hundred twenty thousand, one hundred eleven".