145537704211 has 4 divisors (see below), whose sum is σ = 153197583400. Its totient is φ = 137877825024.

The previous prime is 145537704083. The next prime is 145537704227. The reversal of 145537704211 is 112407735541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112407735541 = 431 ⋅260806811.

It is a cyclic number.

It is not a de Polignac number, because 145537704211 - 2⁷ = 145537704083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145537704281) 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, 3829939566 + ... + 3829939603.

It is an arithmetic number, because the mean of its divisors is an integer number (38299395850).

Almost surely, 2^145537704211 is an apocalyptic number.

145537704211 is a deficient number, since it is larger than the sum of its proper divisors (7659879189).

145537704211 is an equidigital number, since it uses as much as digits as its factorization.

145537704211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7659879188.

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 145537704211 in words is "one hundred forty-five billion, five hundred thirty-seven million, seven hundred four thousand, two hundred eleven".