145067077 has 4 divisors (see below), whose sum is σ = 150069420. Its totient is φ = 140064736.

The previous prime is 145067023. The next prime is 145067081. The reversal of 145067077 is 770760541.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43480836 + 101586241 = 6594^2 + 10079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145067077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145067977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2501128 + ... + 2501185.

It is an arithmetic number, because the mean of its divisors is an integer number (37517355).

Almost surely, 2^145067077 is an apocalyptic number.

It is an amenable number.

145067077 is a deficient number, since it is larger than the sum of its proper divisors (5002343).

145067077 is an equidigital number, since it uses as much as digits as its factorization.

145067077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002342.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 145067077 is about 12044.3794775821. The cubic root of 145067077 is about 525.4397850857.

The spelling of 145067077 in words is "one hundred forty-five million, sixty-seven thousand, seventy-seven".