148717469 has 4 divisors (see below), whose sum is σ = 149016000. Its totient is φ = 148418940.

The previous prime is 148717463. The next prime is 148717489. The reversal of 148717469 is 964717841.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 964717841 = 1091 ⋅884251.

It is a cyclic number.

It is not a de Polignac number, because 148717469 - 2⁴ = 148717453 is a prime.

It is a super-2 number, since 2×148717469² = 44233771171531922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148717463) 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, 148517 + ... + 149514.

It is an arithmetic number, because the mean of its divisors is an integer number (37254000).

Almost surely, 2^148717469 is an apocalyptic number.

It is an amenable number.

148717469 is a deficient number, since it is larger than the sum of its proper divisors (298531).

148717469 is an equidigital number, since it uses as much as digits as its factorization.

148717469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298530.

The product of its digits is 338688, while the sum is 47.

The square root of 148717469 is about 12194.9772037507. The cubic root of 148717469 is about 529.8106229780.

The spelling of 148717469 in words is "one hundred forty-eight million, seven hundred seventeen thousand, four hundred sixty-nine".