148345969 has 4 divisors (see below), whose sum is σ = 148370544. Its totient is φ = 148321396.

The previous prime is 148345957. The next prime is 148345999. The reversal of 148345969 is 969543841.

It is a happy number.

148345969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 148345969 - 2¹⁷ = 148214897 is a prime.

It is a super-2 number, since 2×148345969² = 44013053037097922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148345949) 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, 3714 + ... + 17620.

It is an arithmetic number, because the mean of its divisors is an integer number (37092636).

Almost surely, 2^148345969 is an apocalyptic number.

It is an amenable number.

148345969 is a deficient number, since it is larger than the sum of its proper divisors (24575).

148345969 is a wasteful number, since it uses less digits than its factorization.

148345969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24574.

The product of its digits is 933120, while the sum is 49.

The square root of 148345969 is about 12179.7359987809. The cubic root of 148345969 is about 529.3690950110.

The spelling of 148345969 in words is "one hundred forty-eight million, three hundred forty-five thousand, nine hundred sixty-nine".