148767538 has 4 divisors (see below), whose sum is σ = 223151310. Its totient is φ = 74383768.

The previous prime is 148767533. The next prime is 148767539. The reversal of 148767538 is 835767841.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 148766809 + 729 = 12197^2 + 27^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 148767491 and 148767500.

It is not an unprimeable number, because it can be changed into a prime (148767533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37191883 + ... + 37191886.

Almost surely, 2^148767538 is an apocalyptic number.

148767538 is a deficient number, since it is larger than the sum of its proper divisors (74383772).

148767538 is an equidigital number, since it uses as much as digits as its factorization.

148767538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74383771.

The product of its digits is 1128960, while the sum is 49.

The square root of 148767538 is about 12197.0298843612. The cubic root of 148767538 is about 529.8700737649.

The spelling of 148767538 in words is "one hundred forty-eight million, seven hundred sixty-seven thousand, five hundred thirty-eight".