145342252043540 has 48 divisors (see below), whose sum is σ = 315066739653120. Its totient is φ = 56261116045440.

The previous prime is 145342252043503. The next prime is 145342252043557. The reversal of 145342252043540 is 45340252243541.

It is a super-2 number, since 2×145342252043540² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145342252043491 and 145342252043500.

It is a congruent number.

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, 95136959 + ... + 96652601.

It is an arithmetic number, because the mean of its divisors is an integer number (6563890409440).

Almost surely, 2^{145342252043540} is an apocalyptic number.

145342252043540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145342252043540 is an abundant number, since it is smaller than the sum of its proper divisors (169724487609580).

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

145342252043540 is a wasteful number, since it uses less digits than its factorization.

145342252043540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670352 (or 1670350 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 44.

The spelling of 145342252043540 in words is "one hundred forty-five trillion, three hundred forty-two billion, two hundred fifty-two million, forty-three thousand, five hundred forty".