1453657155445 has 16 divisors (see below), whose sum is σ = 1904836927680. Its totient is φ = 1056167670400.

The previous prime is 1453657155439. The next prime is 1453657155449. The reversal of 1453657155445 is 5445517563541.

It is not a de Polignac number, because 1453657155445 - 2⁵ = 1453657155413 is a prime.

It is a super-2 number, since 2×1453657155445² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453657155449) 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, 12912616 + ... + 13024705.

It is an arithmetic number, because the mean of its divisors is an integer number (119052307980).

Almost surely, 2^{1453657155445} is an apocalyptic number.

It is an amenable number.

1453657155445 is a deficient number, since it is larger than the sum of its proper divisors (451179772235).

1453657155445 is a wasteful number, since it uses less digits than its factorization.

1453657155445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25938356.

The product of its digits is 25200000, while the sum is 55.

The spelling of 1453657155445 in words is "one trillion, four hundred fifty-three billion, six hundred fifty-seven million, one hundred fifty-five thousand, four hundred forty-five".