148428705 has 8 divisors (see below), whose sum is σ = 237485952. Its totient is φ = 79161968.

The previous prime is 148428701. The next prime is 148428737. The reversal of 148428705 is 507824841.

It is a happy number.

148428705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 148428705 - 2² = 148428701 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148428701) 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, 4947609 + ... + 4947638.

It is an arithmetic number, because the mean of its divisors is an integer number (29685744).

Almost surely, 2^148428705 is an apocalyptic number.

148428705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148428705 is a deficient number, since it is larger than the sum of its proper divisors (89057247).

148428705 is an equidigital number, since it uses as much as digits as its factorization.

148428705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9895255.

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 148428705 is about 12183.1319864803. The cubic root of 148428705 is about 529.4674905430.

The spelling of 148428705 in words is "one hundred forty-eight million, four hundred twenty-eight thousand, seven hundred five".