145288240007 has 4 divisors (see below), whose sum is σ = 145293675360. Its totient is φ = 145282804656.

The previous prime is 145288239973. The next prime is 145288240039. The reversal of 145288240007 is 700042882541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145288240007 - 2²² = 145284045703 is a prime.

It is a super-2 number, since 2×145288240007² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145288246007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2677382 + ... + 2731107.

It is an arithmetic number, because the mean of its divisors is an integer number (36323418840).

Almost surely, 2^145288240007 is an apocalyptic number.

145288240007 is a deficient number, since it is larger than the sum of its proper divisors (5435353).

145288240007 is an equidigital number, since it uses as much as digits as its factorization.

145288240007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5435352.

The product of its (nonzero) digits is 143360, while the sum is 41.

The spelling of 145288240007 in words is "one hundred forty-five billion, two hundred eighty-eight million, two hundred forty thousand, seven".