145423452320211 has 32 divisors (see below), whose sum is σ = 213274970108928. Its totient is φ = 87579490763520.

The previous prime is 145423452320207. The next prime is 145423452320227. The reversal of 145423452320211 is 112023254324541.

It is not a de Polignac number, because 145423452320211 - 2² = 145423452320207 is a prime.

It is a super-2 number, since 2×145423452320211² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 145423452320211.

It is not an unprimeable number, because it can be changed into a prime (145423452320231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17110216 + ... + 24157946.

It is an arithmetic number, because the mean of its divisors is an integer number (6664842815904).

Almost surely, 2^{145423452320211} is an apocalyptic number.

145423452320211 is a deficient number, since it is larger than the sum of its proper divisors (67851517788717).

145423452320211 is a wasteful number, since it uses less digits than its factorization.

145423452320211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7059051.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 145423452320211 in words is "one hundred forty-five trillion, four hundred twenty-three billion, four hundred fifty-two million, three hundred twenty thousand, two hundred eleven".