145888873019 has 4 divisors (see below), whose sum is σ = 145897242744. Its totient is φ = 145880503296.

The previous prime is 145888872991. The next prime is 145888873037. The reversal of 145888873019 is 910378888541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 910378888541 = 5653 ⋅161043497.

It is a cyclic number.

It is not a de Polignac number, because 145888873019 - 2²⁸ = 145620437563 is a prime.

It is a super-2 number, since 2×145888873019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145888873219) 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, 4158662 + ... + 4193595.

It is an arithmetic number, because the mean of its divisors is an integer number (36474310686).

Almost surely, 2^145888873019 is an apocalyptic number.

145888873019 is a deficient number, since it is larger than the sum of its proper divisors (8369725).

145888873019 is an equidigital number, since it uses as much as digits as its factorization.

145888873019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8369724.

The product of its (nonzero) digits is 15482880, while the sum is 62.

The spelling of 145888873019 in words is "one hundred forty-five billion, eight hundred eighty-eight million, eight hundred seventy-three thousand, nineteen".