670142148 has 48 divisors (see below), whose sum is σ = 1705294080. Its totient is φ = 203583744.

The previous prime is 670142131. The next prime is 670142153. The reversal of 670142148 is 841241076.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14865 + ... + 39512.

It is an arithmetic number, because the mean of its divisors is an integer number (35526960).

Almost surely, 2^670142148 is an apocalyptic number.

It is an amenable number.

670142148 is an abundant number, since it is smaller than the sum of its proper divisors (1035151932).

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

670142148 is a wasteful number, since it uses less digits than its factorization.

670142148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54476 (or 54474 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 670142148 is about 25887.1038936379. The cubic root of 670142148 is about 875.0958906611.

The spelling of 670142148 in words is "six hundred seventy million, one hundred forty-two thousand, one hundred forty-eight".