145855546469 has 8 divisors (see below), whose sum is σ = 146518463520. Its totient is φ = 145192808656.

The previous prime is 145855546439. The next prime is 145855546483. The reversal of 145855546469 is 964645558541.

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 145855546469 - 2³⁶ = 77136069733 is a prime.

It is a super-2 number, since 2×145855546469² (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 (145855546439) 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, 1748687 + ... + 1830195.

It is an arithmetic number, because the mean of its divisors is an integer number (18314807940).

Almost surely, 2^145855546469 is an apocalyptic number.

It is an amenable number.

145855546469 is a deficient number, since it is larger than the sum of its proper divisors (662917051).

145855546469 is an equidigital number, since it uses as much as digits as its factorization.

145855546469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89619.

The product of its digits is 103680000, while the sum is 62.

The spelling of 145855546469 in words is "one hundred forty-five billion, eight hundred fifty-five million, five hundred forty-six thousand, four hundred sixty-nine".