148621865069 has 8 divisors (see below), whose sum is σ = 148993457400. Its totient is φ = 148250454016.

The previous prime is 148621865053. The next prime is 148621865107. The reversal of 148621865069 is 960568126841.

It can be written as a sum of positive squares in 4 ways, for example, as 21895120900 + 126726744169 = 147970^2 + 355987^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 148621865069 - 2⁴ = 148621865053 is a prime.

It is a super-2 number, since 2×148621865069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148621865869) 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, 1677839 + ... + 1764195.

It is an arithmetic number, because the mean of its divisors is an integer number (18624182175).

Almost surely, 2^148621865069 is an apocalyptic number.

It is an amenable number.

148621865069 is a deficient number, since it is larger than the sum of its proper divisors (371592331).

148621865069 is an equidigital number, since it uses as much as digits as its factorization.

148621865069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90639.

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 148621865069 in words is "one hundred forty-eight billion, six hundred twenty-one million, eight hundred sixty-five thousand, sixty-nine".