148400447 has 8 divisors (see below), whose sum is σ = 159912816. Its totient is φ = 136901952.

The previous prime is 148400407. The next prime is 148400489. The reversal of 148400447 is 744004841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148400447 - 2²⁶ = 81291583 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 (148400407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33083 + ... + 37299.

It is an arithmetic number, because the mean of its divisors is an integer number (19989102).

Almost surely, 2^148400447 is an apocalyptic number.

148400447 is a deficient number, since it is larger than the sum of its proper divisors (11512369).

148400447 is a wasteful number, since it uses less digits than its factorization.

148400447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6937.

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 148400447 is about 12181.9722130696. The cubic root of 148400447 is about 529.4338882333.

The spelling of 148400447 in words is "one hundred forty-eight million, four hundred thousand, four hundred forty-seven".