148005601 has 4 divisors (see below), whose sum is σ = 148030000. Its totient is φ = 147981204.

The previous prime is 148005551. The next prime is 148005623. The reversal of 148005601 is 106500841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 148005601 - 2¹¹ = 148003553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148005001) 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, 4750 + ... + 17848.

It is an arithmetic number, because the mean of its divisors is an integer number (37007500).

Almost surely, 2^148005601 is an apocalyptic number.

It is an amenable number.

148005601 is a deficient number, since it is larger than the sum of its proper divisors (24399).

148005601 is a wasteful number, since it uses less digits than its factorization.

148005601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24398.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 148005601 is about 12165.7552581005. The cubic root of 148005601 is about 528.9639199094.

The spelling of 148005601 in words is "one hundred forty-eight million, five thousand, six hundred one".