148732749 has 24 divisors (see below), whose sum is σ = 235452672. Its totient is φ = 89723520.

The previous prime is 148732739. The next prime is 148732751. The reversal of 148732749 is 947237841.

It is not a de Polignac number, because 148732749 - 2⁴ = 148732733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148732709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18709 + ... + 25445.

It is an arithmetic number, because the mean of its divisors is an integer number (9810528).

Almost surely, 2^148732749 is an apocalyptic number.

It is an amenable number.

148732749 is a deficient number, since it is larger than the sum of its proper divisors (86719923).

148732749 is a wasteful number, since it uses less digits than its factorization.

148732749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6977 (or 6974 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 148732749 is about 12195.6036750954. The cubic root of 148732749 is about 529.8287675155.

The spelling of 148732749 in words is "one hundred forty-eight million, seven hundred thirty-two thousand, seven hundred forty-nine".