148125442 has 4 divisors (see below), whose sum is σ = 222188166. Its totient is φ = 74062720.

The previous prime is 148125431. The next prime is 148125443. The reversal of 148125442 is 244521841.

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., 137569441 + 10556001 = 11729^2 + 3249^2 .

It is a super-2 number, since 2×148125442² = 43882293135390728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (148125443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37031359 + ... + 37031362.

Almost surely, 2^148125442 is an apocalyptic number.

148125442 is a deficient number, since it is larger than the sum of its proper divisors (74062724).

148125442 is an equidigital number, since it uses as much as digits as its factorization.

148125442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74062723.

The product of its digits is 10240, while the sum is 31.

The square root of 148125442 is about 12170.6796030460. The cubic root of 148125442 is about 529.1066497856.

The spelling of 148125442 in words is "one hundred forty-eight million, one hundred twenty-five thousand, four hundred forty-two".