145047885469 has 16 divisors (see below), whose sum is σ = 160274833920. Its totient is φ = 130566078720.

The previous prime is 145047885431. The next prime is 145047885491. The reversal of 145047885469 is 964588740541.

It is a cyclic number.

It is not a de Polignac number, because 145047885469 - 2²⁵ = 145014331037 is a prime.

It is a super-2 number, since 2×145047885469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145047885869) 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, 5648479 + ... + 5674099.

It is an arithmetic number, because the mean of its divisors is an integer number (10017177120).

Almost surely, 2^145047885469 is an apocalyptic number.

It is an amenable number.

145047885469 is a deficient number, since it is larger than the sum of its proper divisors (15226948451).

145047885469 is a wasteful number, since it uses less digits than its factorization.

145047885469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40140.

The product of its (nonzero) digits is 38707200, while the sum is 61.

The spelling of 145047885469 in words is "one hundred forty-five billion, forty-seven million, eight hundred eighty-five thousand, four hundred sixty-nine".