148518431 has 8 divisors (see below), whose sum is σ = 154243584. Its totient is φ = 142896600.

The previous prime is 148518413. The next prime is 148518437. The reversal of 148518431 is 134815841.

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

It is a cyclic number.

It is not a de Polignac number, because 148518431 - 2¹⁰ = 148517407 is a prime.

It is a super-2 number, since 2×148518431² = 44115448693403522, 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 = 148518391 and 148518400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148518437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22895 + ... + 28656.

It is an arithmetic number, because the mean of its divisors is an integer number (19280448).

Almost surely, 2^148518431 is an apocalyptic number.

148518431 is a deficient number, since it is larger than the sum of its proper divisors (5725153).

148518431 is an equidigital number, since it uses as much as digits as its factorization.

148518431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51661.

The product of its digits is 15360, while the sum is 35.

The square root of 148518431 is about 12186.8138165806. The cubic root of 148518431 is about 529.5741577597.

The spelling of 148518431 in words is "one hundred forty-eight million, five hundred eighteen thousand, four hundred thirty-one".