145344645629 has 8 divisors (see below), whose sum is σ = 161994032640. Its totient is φ = 129595225536.

The previous prime is 145344645581. The next prime is 145344645631. The reversal of 145344645629 is 926546443541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145344645629 - 2²⁰ = 145343597053 is a prime.

It is a super-2 number, since 2×145344645629² (a number of 23 digits) 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 (145344645659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224991389 + ... + 224992034.

It is an arithmetic number, because the mean of its divisors is an integer number (20249254080).

Almost surely, 2^145344645629 is an apocalyptic number.

145344645629 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

145344645629 is a deficient number, since it is larger than the sum of its proper divisors (16649387011).

145344645629 is a wasteful number, since it uses less digits than its factorization.

145344645629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449983459.

The product of its digits is 12441600, while the sum is 53.

The spelling of 145344645629 in words is "one hundred forty-five billion, three hundred forty-four million, six hundred forty-five thousand, six hundred twenty-nine".