148937838 has 16 divisors (see below), whose sum is σ = 340429440. Its totient is φ = 42553656.

The previous prime is 148937821. The next prime is 148937861. The reversal of 148937838 is 838739841.

It is a super-2 number, since 2×148937838² = 44364959176228488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1773028 + ... + 1773111.

It is an arithmetic number, because the mean of its divisors is an integer number (21276840).

Almost surely, 2^148937838 is an apocalyptic number.

148937838 is an abundant number, since it is smaller than the sum of its proper divisors (191491602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148937838 is a wasteful number, since it uses less digits than its factorization.

148937838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546151.

The product of its digits is 1161216, while the sum is 51.

The square root of 148937838 is about 12204.0090953752. The cubic root of 148937838 is about 530.0721843062.

The spelling of 148937838 in words is "one hundred forty-eight million, nine hundred thirty-seven thousand, eight hundred thirty-eight".