148523969 has 8 divisors (see below), whose sum is σ = 170554080. Its totient is φ = 127915200.

The previous prime is 148523941. The next prime is 148523983. The reversal of 148523969 is 969325841.

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 148523969 - 2¹² = 148519873 is a prime.

It is a super-2 number, since 2×148523969² = 44118738735025922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148523909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355112 + ... + 355529.

It is an arithmetic number, because the mean of its divisors is an integer number (21319260).

Almost surely, 2^148523969 is an apocalyptic number.

148523969 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

148523969 is a deficient number, since it is larger than the sum of its proper divisors (22030111).

148523969 is a wasteful number, since it uses less digits than its factorization.

148523969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710671.

The product of its digits is 466560, while the sum is 47.

The square root of 148523969 is about 12187.0410272551. The cubic root of 148523969 is about 529.5807399848.

The spelling of 148523969 in words is "one hundred forty-eight million, five hundred twenty-three thousand, nine hundred sixty-nine".