1254345032045 has 96 divisors (see below), whose sum is σ = 1881353628000. Its totient is φ = 797630152704.

The previous prime is 1254345032023. The next prime is 1254345032047. The reversal of 1254345032045 is 5402305434521.

It can be written as a sum of positive squares in 16 ways, for example, as 10881410596 + 1243463621449 = 104314^2 + 1115107^2 .

It is not a de Polignac number, because 1254345032045 - 2⁶ = 1254345031981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254345032047) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 108604931 + ... + 108616479.

It is an arithmetic number, because the mean of its divisors is an integer number (19597433625).

Almost surely, 2^{1254345032045} is an apocalyptic number.

It is an amenable number.

1254345032045 is a deficient number, since it is larger than the sum of its proper divisors (627008595955).

1254345032045 is a wasteful number, since it uses less digits than its factorization.

1254345032045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11967 (or 11960 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 1254345032045 in words is "one trillion, two hundred fifty-four billion, three hundred forty-five million, thirty-two thousand, forty-five".