145700244447 has 16 divisors (see below), whose sum is σ = 198412718592. Its totient is φ = 95060891520.

The previous prime is 145700244433. The next prime is 145700244463. The reversal of 145700244447 is 744442007541.

It is a happy number.

It is not a de Polignac number, because 145700244447 - 2²⁰ = 145699195871 is a prime.

It is a super-2 number, since 2×145700244447² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145700244399 and 145700244408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145700244247) 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, 4157703 + ... + 4192599.

It is an arithmetic number, because the mean of its divisors is an integer number (12400794912).

Almost surely, 2^145700244447 is an apocalyptic number.

145700244447 is a deficient number, since it is larger than the sum of its proper divisors (52712474145).

145700244447 is a wasteful number, since it uses less digits than its factorization.

145700244447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64558.

The product of its (nonzero) digits is 501760, while the sum is 42.

The spelling of 145700244447 in words is "one hundred forty-five billion, seven hundred million, two hundred forty-four thousand, four hundred forty-seven".