145369967 has 4 divisors (see below), whose sum is σ = 147539736. Its totient is φ = 143200200.

The previous prime is 145369949. The next prime is 145369979. The reversal of 145369967 is 769963541.

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 145369967 - 2⁸ = 145369711 is a prime.

It is a super-2 number, since 2×145369967² = 42264854611162178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145329967) 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, 1084784 + ... + 1084917.

It is an arithmetic number, because the mean of its divisors is an integer number (36884934).

Almost surely, 2^145369967 is an apocalyptic number.

145369967 is a deficient number, since it is larger than the sum of its proper divisors (2169769).

145369967 is an equidigital number, since it uses as much as digits as its factorization.

145369967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169768.

The product of its digits is 1224720, while the sum is 50.

The square root of 145369967 is about 12056.9468357458. The cubic root of 145369967 is about 525.8052248144.

The spelling of 145369967 in words is "one hundred forty-five million, three hundred sixty-nine thousand, nine hundred sixty-seven".