603145663306540 has 96 divisors (see below), whose sum is σ = 1317056748134400. Its totient is φ = 231828851278080.

The previous prime is 603145663306523. The next prime is 603145663306541. The reversal of 603145663306540 is 45603366541306.

It is a super-2 number, since 2×603145663306540² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (603145663306541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4296121 + ... + 34996399.

It is an arithmetic number, because the mean of its divisors is an integer number (13719341126400).

Almost surely, 2^{603145663306540} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 603145663306540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658528374067200).

603145663306540 is an abundant number, since it is smaller than the sum of its proper divisors (713911084827860).

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

603145663306540 is a wasteful number, since it uses less digits than its factorization.

603145663306540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30700655 (or 30700653 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 52.

The spelling of 603145663306540 in words is "six hundred three trillion, one hundred forty-five billion, six hundred sixty-three million, three hundred six thousand, five hundred forty".