67124145 has 48 divisors (see below), whose sum is σ = 121959936. Its totient is φ = 31468800.

The previous prime is 67124111. The next prime is 67124149. The reversal of 67124145 is 54142176.

It is not a de Polignac number, because 67124145 - 2¹⁶ = 67058609 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (67124149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55669 + ... + 56861.

It is an arithmetic number, because the mean of its divisors is an integer number (2540832).

Almost surely, 2^67124145 is an apocalyptic number.

It is an amenable number.

67124145 is a deficient number, since it is larger than the sum of its proper divisors (54835791).

67124145 is a wasteful number, since it uses less digits than its factorization.

67124145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254 (or 1243 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 67124145 is about 8192.9326251349. The cubic root of 67124145 is about 406.4055114295.

The spelling of 67124145 in words is "sixty-seven million, one hundred twenty-four thousand, one hundred forty-five".