148225770001 has 3 divisors (see below), whose sum is σ = 148226155003. Its totient is φ = 148225385000.

The previous prime is 148225769959. The next prime is 148225770029. The reversal of 148225770001 is 100077522841.

The square root of 148225770001 is 385001.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 104360656401 + 43865113600 = 323049^2 + 209440^2 .

It is a de Polignac number, because none of the positive numbers 2^k-148225770001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148225770101) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 192501 + ... + 577501.

Almost surely, 2^148225770001 is an apocalyptic number.

148225770001 is the 385001-st square number.

148225770001 is the 192501-st centered octagonal number.

It is an amenable number.

148225770001 is a deficient number, since it is larger than the sum of its proper divisors (385002).

148225770001 is an frugal number, since it uses more digits than its factorization.

148225770001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770002 (or 385001 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 37.

The spelling of 148225770001 in words is "one hundred forty-eight billion, two hundred twenty-five million, seven hundred seventy thousand, one".