145869247311 has 16 divisors (see below), whose sum is σ = 201818453760. Its totient is φ = 93646808640.

The previous prime is 145869247267. The next prime is 145869247327. The reversal of 145869247311 is 113742968541.

It is not a de Polignac number, because 145869247311 - 2¹⁸ = 145868985167 is a prime.

It is a super-2 number, since 2×145869247311² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145869247331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7954006 + ... + 7972323.

It is an arithmetic number, because the mean of its divisors is an integer number (12613653360).

Almost surely, 2^145869247311 is an apocalyptic number.

145869247311 is a deficient number, since it is larger than the sum of its proper divisors (55949206449).

145869247311 is a wasteful number, since it uses less digits than its factorization.

145869247311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15926446.

The product of its digits is 1451520, while the sum is 51.

The spelling of 145869247311 in words is "one hundred forty-five billion, eight hundred sixty-nine million, two hundred forty-seven thousand, three hundred eleven".