148680431 has 4 divisors (see below), whose sum is σ = 149435352. Its totient is φ = 147925512.

The previous prime is 148680421. The next prime is 148680439. The reversal of 148680431 is 134086841.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148680431 is a prime.

It is a super-2 number, since 2×148680431² = 44211741124691522, 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 = 148680391 and 148680400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148680439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377165 + ... + 377558.

It is an arithmetic number, because the mean of its divisors is an integer number (37358838).

Almost surely, 2^148680431 is an apocalyptic number.

148680431 is a deficient number, since it is larger than the sum of its proper divisors (754921).

148680431 is an equidigital number, since it uses as much as digits as its factorization.

148680431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754920.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 148680431 is about 12193.4585331644. The cubic root of 148680431 is about 529.7666363160.

The spelling of 148680431 in words is "one hundred forty-eight million, six hundred eighty thousand, four hundred thirty-one".