145303623541540 has 24 divisors (see below), whose sum is σ = 305146807539840. Its totient is φ = 58119697397088.

The previous prime is 145303623541511. The next prime is 145303623541597. The reversal of 145303623541540 is 45145326303541.

It is a happy number.

It is a super-2 number, since 2×145303623541540² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108821052 + ... + 110148211.

It is an arithmetic number, because the mean of its divisors is an integer number (12714450314160).

Almost surely, 2^{145303623541540} is an apocalyptic number.

145303623541540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145303623541540 is an abundant number, since it is smaller than the sum of its proper divisors (159843183998300).

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

145303623541540 is a wasteful number, since it uses less digits than its factorization.

145303623541540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219002451 (or 219002449 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 145303623541540 in words is "one hundred forty-five trillion, three hundred three billion, six hundred twenty-three million, five hundred forty-one thousand, five hundred forty".