148975733 has 4 divisors (see below), whose sum is σ = 149043660. Its totient is φ = 148907808.

The previous prime is 148975691. The next prime is 148975747. The reversal of 148975733 is 337579841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 337579841 = 83 ⋅4067227.

It can be written as a sum of positive squares in 2 ways, for example, as 83576164 + 65399569 = 9142^2 + 8087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148975733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148975753) 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, 30560 + ... + 35097.

It is an arithmetic number, because the mean of its divisors is an integer number (37260915).

Almost surely, 2^148975733 is an apocalyptic number.

It is an amenable number.

148975733 is a deficient number, since it is larger than the sum of its proper divisors (67927).

148975733 is an equidigital number, since it uses as much as digits as its factorization.

148975733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67926.

The product of its digits is 635040, while the sum is 47.

The square root of 148975733 is about 12205.5615602069. The cubic root of 148975733 is about 530.1171368007.

The spelling of 148975733 in words is "one hundred forty-eight million, nine hundred seventy-five thousand, seven hundred thirty-three".