145395667 has 4 divisors (see below), whose sum is σ = 145427800. Its totient is φ = 145363536.

The previous prime is 145395641. The next prime is 145395689. The reversal of 145395667 is 766593541.

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 145395667 - 2⁷ = 145395539 is a prime.

It is a super-2 number, since 2×145395667² = 42279799964749778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145395637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7893 + ... + 18790.

It is an arithmetic number, because the mean of its divisors is an integer number (36356950).

Almost surely, 2^145395667 is an apocalyptic number.

145395667 is a deficient number, since it is larger than the sum of its proper divisors (32133).

145395667 is an equidigital number, since it uses as much as digits as its factorization.

145395667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32132.

The product of its digits is 680400, while the sum is 46.

The square root of 145395667 is about 12058.0125642661. The cubic root of 145395667 is about 525.8362087429.

The spelling of 145395667 in words is "one hundred forty-five million, three hundred ninety-five thousand, six hundred sixty-seven".