145308667 has 6 divisors (see below), whose sum is σ = 169032588. Its totient is φ = 124550244.

The previous prime is 145308661. The next prime is 145308677. The reversal of 145308667 is 766803541.

It is a happy number.

It is not a de Polignac number, because 145308667 - 2⁷ = 145308539 is a prime.

It is a super-2 number, since 2×145308667² = 42229217410633778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145308661) 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 5 ways as a sum of consecutive naturals, for example, 1482693 + ... + 1482790.

It is an arithmetic number, because the mean of its divisors is an integer number (28172098).

Almost surely, 2^145308667 is an apocalyptic number.

145308667 is a deficient number, since it is larger than the sum of its proper divisors (23723921).

145308667 is an equidigital number, since it uses as much as digits as its factorization.

145308667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965497 (or 2965490 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 145308667 is about 12054.4044647589. The cubic root of 145308667 is about 525.7313067680.

The spelling of 145308667 in words is "one hundred forty-five million, three hundred eight thousand, six hundred sixty-seven".