148651603 has 8 divisors (see below), whose sum is σ = 153740160. Its totient is φ = 143581440.

The previous prime is 148651597. The next prime is 148651639. The reversal of 148651603 is 306156841.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148651603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148651673) 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, 12963 + ... + 21571.

It is an arithmetic number, because the mean of its divisors is an integer number (19217520).

Almost surely, 2^148651603 is an apocalyptic number.

148651603 is a deficient number, since it is larger than the sum of its proper divisors (5088557).

148651603 is an equidigital number, since it uses as much as digits as its factorization.

148651603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9197.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 148651603 is about 12192.2763666183. The cubic root of 148651603 is about 529.7323948680.

The spelling of 148651603 in words is "one hundred forty-eight million, six hundred fifty-one thousand, six hundred three".