148331437 has 4 divisors (see below), whose sum is σ = 149327100. Its totient is φ = 147335776.

The previous prime is 148331419. The next prime is 148331441. The reversal of 148331437 is 734133841.

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

It can be written as a sum of positive squares in 2 ways, for example, as 84107241 + 64224196 = 9171^2 + 8014^2 .

It is a cyclic number.

It is not a de Polignac number, because 148331437 - 2¹⁵ = 148298669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148301437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497608 + ... + 497905.

It is an arithmetic number, because the mean of its divisors is an integer number (37331775).

Almost surely, 2^148331437 is an apocalyptic number.

It is an amenable number.

148331437 is a deficient number, since it is larger than the sum of its proper divisors (995663).

148331437 is an equidigital number, since it uses as much as digits as its factorization.

148331437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995662.

The product of its digits is 24192, while the sum is 34.

The square root of 148331437 is about 12179.1394195156. The cubic root of 148331437 is about 529.3518087467.

The spelling of 148331437 in words is "one hundred forty-eight million, three hundred thirty-one thousand, four hundred thirty-seven".