67151142 has 12 divisors (see below), whose sum is σ = 145494180. Its totient is φ = 22383708.

The previous prime is 67151137. The next prime is 67151209. The reversal of 67151142 is 24115176.

It is a happy number.

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, 1865292 + ... + 1865327.

It is an arithmetic number, because the mean of its divisors is an integer number (12124515).

Almost surely, 2^67151142 is an apocalyptic number.

67151142 is an abundant number, since it is smaller than the sum of its proper divisors (78343038).

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

67151142 is a wasteful number, since it uses less digits than its factorization.

67151142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730627 (or 3730624 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 67151142 is about 8194.5800380495. The cubic root of 67151142 is about 406.4599888906.

The spelling of 67151142 in words is "sixty-seven million, one hundred fifty-one thousand, one hundred forty-two".