148739975 has 6 divisors (see below), whose sum is σ = 184437600. Its totient is φ = 118991960.

The previous prime is 148739957. The next prime is 148739993. The reversal of 148739975 is 579937841.

It is an interprime number because it is at equal distance from previous prime (148739957) and next prime (148739993).

It is not a de Polignac number, because 148739975 - 2⁶ = 148739911 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2974775 + ... + 2974824.

It is an arithmetic number, because the mean of its divisors is an integer number (30739600).

Almost surely, 2^148739975 is an apocalyptic number.

148739975 is a deficient number, since it is larger than the sum of its proper divisors (35697625).

148739975 is an equidigital number, since it uses as much as digits as its factorization.

148739975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5949609 (or 5949604 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 53.

The square root of 148739975 is about 12195.8999257947. The cubic root of 148739975 is about 529.8373477390.

The spelling of 148739975 in words is "one hundred forty-eight million, seven hundred thirty-nine thousand, nine hundred seventy-five".