1451111420145 has 8 divisors (see below), whose sum is σ = 2321778272256. Its totient is φ = 773926090736.

The previous prime is 1451111420123. The next prime is 1451111420183. The reversal of 1451111420145 is 5410241111541.

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 1451111420145 - 2⁹ = 1451111419633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48370380657 + ... + 48370380686.

It is an arithmetic number, because the mean of its divisors is an integer number (290222284032).

Almost surely, 2^{1451111420145} is an apocalyptic number.

1451111420145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1451111420145 is a deficient number, since it is larger than the sum of its proper divisors (870666852111).

1451111420145 is an equidigital number, since it uses as much as digits as its factorization.

1451111420145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96740761351.

The product of its (nonzero) digits is 3200, while the sum is 30.

Adding to 1451111420145 its reverse (5410241111541), we get a palindrome (6861352531686).

The spelling of 1451111420145 in words is "one trillion, four hundred fifty-one billion, one hundred eleven million, four hundred twenty thousand, one hundred forty-five".