145454805457 has 8 divisors (see below), whose sum is σ = 156821048384. Its totient is φ = 134113907088.

The previous prime is 145454805367. The next prime is 145454805481. The reversal of 145454805457 is 754508454541.

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

It is a cyclic number.

It is not a de Polignac number, because 145454805457 - 2¹⁵ = 145454772689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145454805487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6324213 + ... + 6347170.

It is an arithmetic number, because the mean of its divisors is an integer number (19602631048).

Almost surely, 2^145454805457 is an apocalyptic number.

It is an amenable number.

145454805457 is a deficient number, since it is larger than the sum of its proper divisors (11366242927).

145454805457 is a wasteful number, since it uses less digits than its factorization.

145454805457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12672279.

The product of its (nonzero) digits is 8960000, while the sum is 52.

The spelling of 145454805457 in words is "one hundred forty-five billion, four hundred fifty-four million, eight hundred five thousand, four hundred fifty-seven".