1342145444551 has 8 divisors (see below), whose sum is σ = 1373406558480. Its totient is φ = 1310886532032.

The previous prime is 1342145444539. The next prime is 1342145444579. The reversal of 1342145444551 is 1554445412431.

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 1342145444551 - 2¹⁷ = 1342145313479 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1342145444498 and 1342145444507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342145444501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716781 + ... + 1788313.

It is an arithmetic number, because the mean of its divisors is an integer number (171675819810).

Almost surely, 2^{1342145444551} is an apocalyptic number.

1342145444551 is a deficient number, since it is larger than the sum of its proper divisors (31261113929).

1342145444551 is a wasteful number, since it uses less digits than its factorization.

1342145444551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100705.

The product of its digits is 768000, while the sum is 43.

The spelling of 1342145444551 in words is "one trillion, three hundred forty-two billion, one hundred forty-five million, four hundred forty-four thousand, five hundred fifty-one".