1453245722439 has 16 divisors (see below), whose sum is σ = 2221040809728. Its totient is φ = 827961950592.

The previous prime is 1453245722437. The next prime is 1453245722443. The reversal of 1453245722439 is 9342275423541.

It is not a de Polignac number, because 1453245722439 - 2¹ = 1453245722437 is a prime.

It is a super-2 number, since 2×1453245722439² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1453245722391 and 1453245722400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453245722437) 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, 102666777 + ... + 102680930.

It is an arithmetic number, because the mean of its divisors is an integer number (138815050608).

Almost surely, 2^{1453245722439} is an apocalyptic number.

1453245722439 is a deficient number, since it is larger than the sum of its proper divisors (767795087289).

1453245722439 is a wasteful number, since it uses less digits than its factorization.

1453245722439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205348054.

The product of its digits is 7257600, while the sum is 51.

The spelling of 1453245722439 in words is "one trillion, four hundred fifty-three billion, two hundred forty-five million, seven hundred twenty-two thousand, four hundred thirty-nine".