615245332106 has 4 divisors (see below), whose sum is σ = 922867998162. Its totient is φ = 307622666052.

The previous prime is 615245332099. The next prime is 615245332109. The reversal of 615245332106 is 601233542516.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 378090941881 + 237154390225 = 614891^2 + 486985^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 615245332106.

It is not an unprimeable number, because it can be changed into a prime (615245332109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153811333025 + ... + 153811333028.

Almost surely, 2^615245332106 is an apocalyptic number.

615245332106 is a deficient number, since it is larger than the sum of its proper divisors (307622666056).

615245332106 is a wasteful number, since it uses less digits than its factorization.

615245332106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307622666055.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 615245332106 in words is "six hundred fifteen billion, two hundred forty-five million, three hundred thirty-two thousand, one hundred six".