145142967 has 4 divisors (see below), whose sum is σ = 193523960. Its totient is φ = 96761976.

The previous prime is 145142953. The next prime is 145142969. The reversal of 145142967 is 769241541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 769241541 = 3 ⋅256413847.

It is not a de Polignac number, because 145142967 - 2¹² = 145138871 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 (145142969) 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, 24190492 + ... + 24190497.

It is an arithmetic number, because the mean of its divisors is an integer number (48380990).

Almost surely, 2^145142967 is an apocalyptic number.

145142967 is a deficient number, since it is larger than the sum of its proper divisors (48380993).

145142967 is an equidigital number, since it uses as much as digits as its factorization.

145142967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48380992.

The product of its digits is 60480, while the sum is 39.

The square root of 145142967 is about 12047.5294977850. The cubic root of 145142967 is about 525.5313948308.

The spelling of 145142967 in words is "one hundred forty-five million, one hundred forty-two thousand, nine hundred sixty-seven".