148938507 has 10 divisors (see below), whose sum is σ = 222488508. Its totient is φ = 99292284.

The previous prime is 148938487. The next prime is 148938523. The reversal of 148938507 is 705839841.

It is not a de Polignac number, because 148938507 - 2¹⁰ = 148937483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148938557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 919293 + ... + 919454.

Almost surely, 2^148938507 is an apocalyptic number.

148938507 is a deficient number, since it is larger than the sum of its proper divisors (73550001).

148938507 is an equidigital number, since it uses as much as digits as its factorization.

148938507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838759 (or 1838750 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 148938507 is about 12204.0365043702. The cubic root of 148938507 is about 530.0729779656.

The spelling of 148938507 in words is "one hundred forty-eight million, nine hundred thirty-eight thousand, five hundred seven".