148407531 has 8 divisors (see below), whose sum is σ = 199021200. Its totient is φ = 98366112.

The previous prime is 148407503. The next prime is 148407541. The reversal of 148407531 is 135704841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 148407531 - 2⁹ = 148407019 is a prime.

It is a super-2 number, since 2×148407531² = 44049590515031922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 148407492 and 148407501.

It is not an unprimeable number, because it can be changed into a prime (148407541) by changing a digit.

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, 142456 + ... + 143493.

It is an arithmetic number, because the mean of its divisors is an integer number (24877650).

Almost surely, 2^148407531 is an apocalyptic number.

148407531 is a deficient number, since it is larger than the sum of its proper divisors (50613669).

148407531 is a wasteful number, since it uses less digits than its factorization.

148407531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286125.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 148407531 is about 12182.2629671174. The cubic root of 148407531 is about 529.4423123993.

The spelling of 148407531 in words is "one hundred forty-eight million, four hundred seven thousand, five hundred thirty-one".