145481367 has 4 divisors (see below), whose sum is σ = 193975160. Its totient is φ = 96987576.

The previous prime is 145481363. The next prime is 145481377. The reversal of 145481367 is 763184541.

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

It is not a de Polignac number, because 145481367 - 2² = 145481363 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 (145481363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24246892 + ... + 24246897.

It is an arithmetic number, because the mean of its divisors is an integer number (48493790).

Almost surely, 2^145481367 is an apocalyptic number.

145481367 is a deficient number, since it is larger than the sum of its proper divisors (48493793).

145481367 is an equidigital number, since it uses as much as digits as its factorization.

145481367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48493792.

The product of its digits is 80640, while the sum is 39.

The square root of 145481367 is about 12061.5656943864. The cubic root of 145481367 is about 525.9395023117.

The spelling of 145481367 in words is "one hundred forty-five million, four hundred eighty-one thousand, three hundred sixty-seven".