67145148 has 36 divisors (see below), whose sum is σ = 193975600. Its totient is φ = 19184256.

The previous prime is 67145129. The next prime is 67145149. The reversal of 67145148 is 84154176.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67145149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132973 + ... + 133476.

Almost surely, 2^67145148 is an apocalyptic number.

It is an amenable number.

67145148 is an abundant number, since it is smaller than the sum of its proper divisors (126830452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67145148 is a wasteful number, since it uses less digits than its factorization.

67145148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266466 (or 266461 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 67145148 is about 8194.2143003463. The cubic root of 67145148 is about 406.4478948115.

Subtracting 67145148 from its reverse (84154176), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 67145148 in words is "sixty-seven million, one hundred forty-five thousand, one hundred forty-eight".