145273130544 has 40 divisors (see below), whose sum is σ = 375302822832. Its totient is φ = 48422583040.

The previous prime is 145273130543. The next prime is 145273130551. The reversal of 145273130544 is 445031372541.

It is a super-2 number, since 2×145273130544² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145273130543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2140654 + ... + 2207474.

Almost surely, 2^145273130544 is an apocalyptic number.

It is an amenable number.

145273130544 is an abundant number, since it is smaller than the sum of its proper divisors (230029692288).

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

145273130544 is a wasteful number, since it uses less digits than its factorization.

145273130544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112125 (or 112119 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 145273130544 in words is "one hundred forty-five billion, two hundred seventy-three million, one hundred thirty thousand, five hundred forty-four".