148660439 has 6 divisors (see below), whose sum is σ = 150858504. Its totient is φ = 146465340.

The previous prime is 148660433. The next prime is 148660441. The reversal of 148660439 is 934066841.

148660439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 148660439 - 2¹⁶ = 148594903 is a prime.

It is a super-2 number, since 2×148660439² = 44199852247345442, 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 = 148660396 and 148660405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148660433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102014 + ... + 103460.

It is an arithmetic number, because the mean of its divisors is an integer number (25143084).

Almost surely, 2^148660439 is an apocalyptic number.

148660439 is a deficient number, since it is larger than the sum of its proper divisors (2198065).

148660439 is an frugal number, since it uses more digits than its factorization.

148660439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965 (or 1518 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 148660439 is about 12192.6387217862. The cubic root of 148660439 is about 529.7428906012.

The spelling of 148660439 in words is "one hundred forty-eight million, six hundred sixty thousand, four hundred thirty-nine".