148041731 has 4 divisors (see below), whose sum is σ = 154478352. Its totient is φ = 141605112.

The previous prime is 148041727. The next prime is 148041739. The reversal of 148041731 is 137140841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 137140841 = 19 ⋅7217939.

It is not a de Polignac number, because 148041731 - 2² = 148041727 is a prime.

It is a super-2 number, since 2×148041731² = 43832708234952722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148041694 and 148041703.

It is not an unprimeable number, because it can be changed into a prime (148041739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3218276 + ... + 3218321.

It is an arithmetic number, because the mean of its divisors is an integer number (38619588).

Almost surely, 2^148041731 is an apocalyptic number.

148041731 is a deficient number, since it is larger than the sum of its proper divisors (6436621).

148041731 is an equidigital number, since it uses as much as digits as its factorization.

148041731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6436620.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 148041731 is about 12167.2400732459. The cubic root of 148041731 is about 529.0069586219.

The spelling of 148041731 in words is "one hundred forty-eight million, forty-one thousand, seven hundred thirty-one".