67250145 has 16 divisors (see below), whose sum is σ = 108168192. Its totient is φ = 35677440.

The previous prime is 67250089. The next prime is 67250153. The reversal of 67250145 is 54105276.

It is not a de Polignac number, because 67250145 - 2⁶ = 67250081 is a prime.

It is an alternating number because its digits alternate between even and odd.

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, 8872 + ... + 14601.

It is an arithmetic number, because the mean of its divisors is an integer number (6760512).

Almost surely, 2^67250145 is an apocalyptic number.

It is an amenable number.

67250145 is a deficient number, since it is larger than the sum of its proper divisors (40918047).

67250145 is a wasteful number, since it uses less digits than its factorization.

67250145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23672.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 67250145 is about 8200.6185742296. The cubic root of 67250145 is about 406.6596429705.

The spelling of 67250145 in words is "sixty-seven million, two hundred fifty thousand, one hundred forty-five".