145658763969 has 4 divisors (see below), whose sum is σ = 194211685296. Its totient is φ = 97105842644.

The previous prime is 145658763959. The next prime is 145658764007. The reversal of 145658763969 is 969367856541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145658763969 - 2⁷ = 145658763841 is a prime.

It is a super-2 number, since 2×145658763969² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145658763959) 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, 24276460659 + ... + 24276460664.

It is an arithmetic number, because the mean of its divisors is an integer number (48552921324).

Almost surely, 2^145658763969 is an apocalyptic number.

It is an amenable number.

145658763969 is a deficient number, since it is larger than the sum of its proper divisors (48552921327).

145658763969 is an equidigital number, since it uses as much as digits as its factorization.

145658763969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48552921326.

The product of its digits is 293932800, while the sum is 69.

The spelling of 145658763969 in words is "one hundred forty-five billion, six hundred fifty-eight million, seven hundred sixty-three thousand, nine hundred sixty-nine".