148513507 has 4 divisors (see below), whose sum is σ = 154970640. Its totient is φ = 142056376.

The previous prime is 148513493. The next prime is 148513517. The reversal of 148513507 is 705315841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 705315841 = 2267 ⋅311123.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148513507 is a prime.

It is a super-2 number, since 2×148513507² = 44112523522878098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148513517) 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 3 ways as a sum of consecutive naturals, for example, 3228532 + ... + 3228577.

It is an arithmetic number, because the mean of its divisors is an integer number (38742660).

Almost surely, 2^148513507 is an apocalyptic number.

148513507 is a deficient number, since it is larger than the sum of its proper divisors (6457133).

148513507 is an equidigital number, since it uses as much as digits as its factorization.

148513507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6457132.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 148513507 is about 12186.6117932754. The cubic root of 148513507 is about 529.5683051707.

The spelling of 148513507 in words is "one hundred forty-eight million, five hundred thirteen thousand, five hundred seven".