145522967 has 4 divisors (see below), whose sum is σ = 145841856. Its totient is φ = 145204080.

The previous prime is 145522943. The next prime is 145522991. The reversal of 145522967 is 769225541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 769225541 = 7 ⋅109889363.

It is an interprime number because it is at equal distance from previous prime (145522943) and next prime (145522991).

It is a cyclic number.

It is not a de Polignac number, because 145522967 - 2¹² = 145518871 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 (145522997) 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, 158759 + ... + 159672.

It is an arithmetic number, because the mean of its divisors is an integer number (36460464).

Almost surely, 2^145522967 is an apocalyptic number.

145522967 is a deficient number, since it is larger than the sum of its proper divisors (318889).

145522967 is an equidigital number, since it uses as much as digits as its factorization.

145522967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318888.

The product of its digits is 151200, while the sum is 41.

The square root of 145522967 is about 12063.2900570284. The cubic root of 145522967 is about 525.9896278562.

The spelling of 145522967 in words is "one hundred forty-five million, five hundred twenty-two thousand, nine hundred sixty-seven".