145343400280 has 48 divisors (see below), whose sum is σ = 354113300880. Its totient is φ = 53665252992.

The previous prime is 145343400269. The next prime is 145343400299. The reversal of 145343400280 is 82004343541.

145343400280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145343400280² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10743492 + ... + 10757011.

It is an arithmetic number, because the mean of its divisors is an integer number (7377360435).

Almost surely, 2^145343400280 is an apocalyptic number.

145343400280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145343400280 is an abundant number, since it is smaller than the sum of its proper divisors (208769900600).

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

145343400280 is a wasteful number, since it uses less digits than its factorization.

145343400280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21500540 (or 21500523 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 145343400280 in words is "one hundred forty-five billion, three hundred forty-three million, four hundred thousand, two hundred eighty".