148342447 has 4 divisors (see below), whose sum is σ = 161828136. Its totient is φ = 134856760.

The previous prime is 148342399. The next prime is 148342507. The reversal of 148342447 is 744243841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 744243841 = 11 ⋅67658531.

It is a cyclic number.

It is not a de Polignac number, because 148342447 - 2¹⁹ = 147818159 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 (148342247) 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, 6742828 + ... + 6742849.

It is an arithmetic number, because the mean of its divisors is an integer number (40457034).

Almost surely, 2^148342447 is an apocalyptic number.

148342447 is a deficient number, since it is larger than the sum of its proper divisors (13485689).

148342447 is a wasteful number, since it uses less digits than its factorization.

148342447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13485688.

The product of its digits is 86016, while the sum is 37.

The square root of 148342447 is about 12179.5914135081. The cubic root of 148342447 is about 529.3649055865.

The spelling of 148342447 in words is "one hundred forty-eight million, three hundred forty-two thousand, four hundred forty-seven".