148688345 has 16 divisors (see below), whose sum is σ = 196841232. Its totient is φ = 107120640.

The previous prime is 148688339. The next prime is 148688347. The reversal of 148688345 is 543886841.

It can be written as a sum of positive squares in 8 ways, for example, as 77387209 + 71301136 = 8797^2 + 8444^2 .

It is not a de Polignac number, because 148688345 - 2⁴ = 148688329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148688345.

It is not an unprimeable number, because it can be changed into a prime (148688347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25232 + ... + 30561.

It is an arithmetic number, because the mean of its divisors is an integer number (12302577).

Almost surely, 2^148688345 is an apocalyptic number.

It is an amenable number.

148688345 is a deficient number, since it is larger than the sum of its proper divisors (48152887).

148688345 is a wasteful number, since it uses less digits than its factorization.

148688345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55852.

The product of its digits is 737280, while the sum is 47.

The square root of 148688345 is about 12193.7830471105. The cubic root of 148688345 is about 529.7760356673.

The spelling of 148688345 in words is "one hundred forty-eight million, six hundred eighty-eight thousand, three hundred forty-five".