148544133838 has 16 divisors (see below), whose sum is σ = 223614031536. Its totient is φ = 74006208640.

The previous prime is 148544133827. The next prime is 148544133839. The reversal of 148544133838 is 838331445841.

It is a super-2 number, since 2×148544133838² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148544133839) 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, 4208070 + ... + 4243222.

It is an arithmetic number, because the mean of its divisors is an integer number (13975876971).

Almost surely, 2^148544133838 is an apocalyptic number.

148544133838 is a deficient number, since it is larger than the sum of its proper divisors (75069897698).

148544133838 is a wasteful number, since it uses less digits than its factorization.

148544133838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42659.

The product of its digits is 4423680, while the sum is 52.

The spelling of 148544133838 in words is "one hundred forty-eight billion, five hundred forty-four million, one hundred thirty-three thousand, eight hundred thirty-eight".