148937905 has 8 divisors (see below), whose sum is σ = 181655784. Its totient is φ = 117196800.

The previous prime is 148937863. The next prime is 148937911. The reversal of 148937905 is 509739841.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4769856 + 144168049 = 2184^2 + 12007^2 .

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

It is not a de Polignac number, because 148937905 - 2¹³ = 148929713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243856 + ... + 244465.

It is an arithmetic number, because the mean of its divisors is an integer number (22706973).

Almost surely, 2^148937905 is an apocalyptic number.

It is an amenable number.

148937905 is a deficient number, since it is larger than the sum of its proper divisors (32717879).

148937905 is an equidigital number, since it uses as much as digits as its factorization.

148937905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488387.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 148937905 is about 12204.0118403745. The cubic root of 148937905 is about 530.0722637909.

The spelling of 148937905 in words is "one hundred forty-eight million, nine hundred thirty-seven thousand, nine hundred five".