615016145042 has 8 divisors (see below), whose sum is σ = 993487618956. Its totient is φ = 283853605392.

The previous prime is 615016144999. The next prime is 615016145069. The reversal of 615016145042 is 240541610516.

It can be written as a sum of positive squares in 2 ways, for example, as 487467879721 + 127548265321 = 698189^2 + 357139^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 615016144993 and 615016145011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11827233533 + ... + 11827233584.

Almost surely, 2^615016145042 is an apocalyptic number.

615016145042 is a deficient number, since it is larger than the sum of its proper divisors (378471473914).

615016145042 is a wasteful number, since it uses less digits than its factorization.

615016145042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23654467132.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 615016145042 its reverse (240541610516), we get a palindrome (855557755558).

The spelling of 615016145042 in words is "six hundred fifteen billion, sixteen million, one hundred forty-five thousand, forty-two".