1345440511554 has 8 divisors (see below), whose sum is σ = 2690881023120. Its totient is φ = 448480170516.

The previous prime is 1345440511523. The next prime is 1345440511573. The reversal of 1345440511554 is 4551150445431.

It is a happy number.

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

1345440511554 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112120042624 + ... + 112120042635.

It is an arithmetic number, because the mean of its divisors is an integer number (336360127890).

Almost surely, 2^{1345440511554} is an apocalyptic number.

1345440511554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345440511554 is a wasteful number, since it uses less digits than its factorization.

1345440511554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224240085264.

The product of its (nonzero) digits is 480000, while the sum is 42.

Adding to 1345440511554 its reverse (4551150445431), we get a palindrome (5896590956985).

The spelling of 1345440511554 in words is "one trillion, three hundred forty-five billion, four hundred forty million, five hundred eleven thousand, five hundred fifty-four".