148493745 has 24 divisors (see below), whose sum is σ = 258388416. Its totient is φ = 78889248.

The previous prime is 148493743. The next prime is 148493747. The reversal of 148493745 is 547394841.

It is an interprime number because it is at equal distance from previous prime (148493743) and next prime (148493747).

It is not a de Polignac number, because 148493745 - 2¹ = 148493743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 148493745.

It is not an unprimeable number, because it can be changed into a prime (148493743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5562 + ... + 18108.

It is an arithmetic number, because the mean of its divisors is an integer number (10766184).

Almost surely, 2^148493745 is an apocalyptic number.

148493745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148493745 is a deficient number, since it is larger than the sum of its proper divisors (109894671).

148493745 is a wasteful number, since it uses less digits than its factorization.

148493745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12821 (or 12818 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 148493745 is about 12185.8009584926. The cubic root of 148493745 is about 529.5448150670.

The spelling of 148493745 in words is "one hundred forty-eight million, four hundred ninety-three thousand, seven hundred forty-five".