145624664573 has 16 divisors (see below), whose sum is σ = 148902969600. Its totient is φ = 142385705280.

The previous prime is 145624664569. The next prime is 145624664629. The reversal of 145624664573 is 375466426541.

It is a cyclic number.

It is not a de Polignac number, because 145624664573 - 2² = 145624664569 is a prime.

It is a super-2 number, since 2×145624664573² (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 (145624664533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8232983 + ... + 8250651.

It is an arithmetic number, because the mean of its divisors is an integer number (9306435600).

Almost surely, 2^145624664573 is an apocalyptic number.

It is an amenable number.

145624664573 is a deficient number, since it is larger than the sum of its proper divisors (3278305027).

145624664573 is a wasteful number, since it uses less digits than its factorization.

145624664573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18772.

The product of its digits is 14515200, while the sum is 53.

The spelling of 145624664573 in words is "one hundred forty-five billion, six hundred twenty-four million, six hundred sixty-four thousand, five hundred seventy-three".