148467749 has 4 divisors (see below), whose sum is σ = 157201164. Its totient is φ = 139734336.

The previous prime is 148467721. The next prime is 148467751. The reversal of 148467749 is 947764841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95687524 + 52780225 = 9782^2 + 7265^2 .

It is a cyclic number.

It is not a de Polignac number, because 148467749 - 2⁸ = 148467493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148467697 and 148467706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148467719) 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, 4366682 + ... + 4366715.

It is an arithmetic number, because the mean of its divisors is an integer number (39300291).

Almost surely, 2^148467749 is an apocalyptic number.

It is an amenable number.

148467749 is a deficient number, since it is larger than the sum of its proper divisors (8733415).

148467749 is an equidigital number, since it uses as much as digits as its factorization.

148467749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8733414.

The product of its digits is 1354752, while the sum is 50.

The square root of 148467749 is about 12184.7342605409. The cubic root of 148467749 is about 529.5139117442.

The spelling of 148467749 in words is "one hundred forty-eight million, four hundred sixty-seven thousand, seven hundred forty-nine".