148417538 has 4 divisors (see below), whose sum is σ = 222626310. Its totient is φ = 74208768.

The previous prime is 148417523. The next prime is 148417547. The reversal of 148417538 is 835714841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 835714841 = 13 ⋅64285757.

It can be written as a sum of positive squares in only one way, i.e., 125731369 + 22686169 = 11213^2 + 4763^2 .

It is a junction number, because it is equal to n+sod(n) for n = 148417495 and 148417504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37104383 + ... + 37104386.

Almost surely, 2^148417538 is an apocalyptic number.

148417538 is a deficient number, since it is larger than the sum of its proper divisors (74208772).

148417538 is an equidigital number, since it uses as much as digits as its factorization.

148417538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74208771.

The product of its digits is 107520, while the sum is 41.

The square root of 148417538 is about 12182.6736802723. The cubic root of 148417538 is about 529.4542120877.

The spelling of 148417538 in words is "one hundred forty-eight million, four hundred seventeen thousand, five hundred thirty-eight".