2101602545 has 8 divisors (see below), whose sum is σ = 2882197824. Its totient is φ = 1441098864.

The previous prime is 2101602541. The next prime is 2101602593. The reversal of 2101602545 is 5452061012.

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 2101602545 - 2² = 2101602541 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101602541) 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, 30022859 + ... + 30022928.

It is an arithmetic number, because the mean of its divisors is an integer number (360274728).

Almost surely, 2^2101602545 is an apocalyptic number.

It is an amenable number.

2101602545 is a deficient number, since it is larger than the sum of its proper divisors (780595279).

2101602545 is an equidigital number, since it uses as much as digits as its factorization.

2101602545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60045799.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2101602545 is about 45843.2388144642. The cubic root of 2101602545 is about 1280.9048259304.

Adding to 2101602545 its reverse (5452061012), we get a palindrome (7553663557).

The spelling of 2101602545 in words is "two billion, one hundred one million, six hundred two thousand, five hundred forty-five".