148433531 has 4 divisors (see below), whose sum is σ = 148458432. Its totient is φ = 148408632.

The previous prime is 148433521. The next prime is 148433561. The reversal of 148433531 is 135334841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148433531 - 2¹⁰ = 148432507 is a prime.

It is a super-2 number, since 2×148433531² = 44065026250255922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148433521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2381 + ... + 17393.

It is an arithmetic number, because the mean of its divisors is an integer number (37114608).

Almost surely, 2^148433531 is an apocalyptic number.

148433531 is a deficient number, since it is larger than the sum of its proper divisors (24901).

148433531 is an equidigital number, since it uses as much as digits as its factorization.

148433531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24900.

The product of its digits is 17280, while the sum is 32.

The square root of 148433531 is about 12183.3300455992. The cubic root of 148433531 is about 529.4732288365.

The spelling of 148433531 in words is "one hundred forty-eight million, four hundred thirty-three thousand, five hundred thirty-one".