145015667 has 4 divisors (see below), whose sum is σ = 151320720. Its totient is φ = 138710616.

The previous prime is 145015649. The next prime is 145015681. The reversal of 145015667 is 766510541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145015667 - 2⁶ = 145015603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145015267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3152492 + ... + 3152537.

It is an arithmetic number, because the mean of its divisors is an integer number (37830180).

Almost surely, 2^145015667 is an apocalyptic number.

145015667 is a deficient number, since it is larger than the sum of its proper divisors (6305053).

145015667 is an equidigital number, since it uses as much as digits as its factorization.

145015667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305052.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 145015667 is about 12042.2450979873. The cubic root of 145015667 is about 525.3777079382.

The spelling of 145015667 in words is "one hundred forty-five million, fifteen thousand, six hundred sixty-seven".