148440523 has 16 divisors (see below), whose sum is σ = 189010944. Its totient is φ = 113204160.

The previous prime is 148440503. The next prime is 148440553. The reversal of 148440523 is 325044841.

It is a cyclic number.

It is not a de Polignac number, because 148440523 - 2⁵ = 148440491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148440503) 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 15 ways as a sum of consecutive naturals, for example, 16890 + ... + 24127.

It is an arithmetic number, because the mean of its divisors is an integer number (11813184).

Almost surely, 2^148440523 is an apocalyptic number.

148440523 is a deficient number, since it is larger than the sum of its proper divisors (40570421).

148440523 is a wasteful number, since it uses less digits than its factorization.

148440523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41082.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 148440523 is about 12183.6169916819. The cubic root of 148440523 is about 529.4815423639.

The spelling of 148440523 in words is "one hundred forty-eight million, four hundred forty thousand, five hundred twenty-three".