1451445240155 has 8 divisors (see below), whose sum is σ = 1833404514000. Its totient is φ = 1100042708256.

The previous prime is 1451445240139. The next prime is 1451445240173. The reversal of 1451445240155 is 5510425441541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1451445240155 - 2⁴ = 1451445240139 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7639185380 + ... + 7639185569.

It is an arithmetic number, because the mean of its divisors is an integer number (229175564250).

Almost surely, 2^{1451445240155} is an apocalyptic number.

1451445240155 is a deficient number, since it is larger than the sum of its proper divisors (381959273845).

1451445240155 is a wasteful number, since it uses less digits than its factorization.

1451445240155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15278370973.

The product of its (nonzero) digits is 320000, while the sum is 41.

The spelling of 1451445240155 in words is "one trillion, four hundred fifty-one billion, four hundred forty-five million, two hundred forty thousand, one hundred fifty-five".