148133531 has 16 divisors (see below), whose sum is σ = 188203008. Its totient is φ = 113421600.

The previous prime is 148133527. The next prime is 148133539. The reversal of 148133531 is 135331841.

148133531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 148133531 - 2² = 148133527 is a prime.

It is a super-2 number, since 2×148133531² = 43887086013055922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 148133494 and 148133503.

It is not an unprimeable number, because it can be changed into a prime (148133539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23435 + ... + 29076.

It is an arithmetic number, because the mean of its divisors is an integer number (11762688).

Almost surely, 2^148133531 is an apocalyptic number.

148133531 is a deficient number, since it is larger than the sum of its proper divisors (40069477).

148133531 is a wasteful number, since it uses less digits than its factorization.

148133531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52562.

The product of its digits is 4320, while the sum is 29.

The square root of 148133531 is about 12171.0119135592. The cubic root of 148133531 is about 529.1162809598.

The spelling of 148133531 in words is "one hundred forty-eight million, one hundred thirty-three thousand, five hundred thirty-one".