145769242344 has 64 divisors (see below), whose sum is σ = 410376775680. Its totient is φ = 42747576000.

The previous prime is 145769242337. The next prime is 145769242379. The reversal of 145769242344 is 443242967541.

It is a super-2 number, since 2×145769242344² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8897562 + ... + 8913929.

It is an arithmetic number, because the mean of its divisors is an integer number (6412137120).

Almost surely, 2^145769242344 is an apocalyptic number.

It is an amenable number.

145769242344 is an abundant number, since it is smaller than the sum of its proper divisors (264607533336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145769242344 is a wasteful number, since it uses less digits than its factorization.

145769242344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17811542 (or 17811538 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 51.

The spelling of 145769242344 in words is "one hundred forty-five billion, seven hundred sixty-nine million, two hundred forty-two thousand, three hundred forty-four".