148756349638481 has 8 divisors (see below), whose sum is σ = 160226478920424. Its totient is φ = 137290125093120.

The previous prime is 148756349638447. The next prime is 148756349638531. The reversal of 148756349638481 is 184836943657841.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 801725042881 + 147954624595600 = 895391^2 + 12163660^2 .

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 148756349638481 - 2⁴² = 144358303127377 is a prime.

It is a super-2 number, since 2×148756349638481² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148756349638411) 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, 976105016 + ... + 976257401.

It is an arithmetic number, because the mean of its divisors is an integer number (20028309865053).

Almost surely, 2^{148756349638481} is an apocalyptic number.

It is an amenable number.

148756349638481 is a deficient number, since it is larger than the sum of its proper divisors (11470129281943).

148756349638481 is a wasteful number, since it uses less digits than its factorization.

148756349638481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952368291.

The product of its digits is 3344302080, while the sum is 77.

The spelling of 148756349638481 in words is "one hundred forty-eight trillion, seven hundred fifty-six billion, three hundred forty-nine million, six hundred thirty-eight thousand, four hundred eighty-one".