615150042 has 64 divisors (see below), whose sum is σ = 1455390720. Its totient is φ = 171509184.

The previous prime is 615150037. The next prime is 615150043. The reversal of 615150042 is 240051516.

615150042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 615149994 and 615150021.

It is not an unprimeable number, because it can be changed into a prime (615150043) 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, 25063 + ... + 43109.

It is an arithmetic number, because the mean of its divisors is an integer number (22740480).

Almost surely, 2^615150042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 615150042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727695360).

615150042 is an abundant number, since it is smaller than the sum of its proper divisors (840240678).

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

615150042 is a wasteful number, since it uses less digits than its factorization.

615150042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18107.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 615150042 is about 24802.2184894819. The cubic root of 615150042 is about 850.4726515459.

The spelling of 615150042 in words is "six hundred fifteen million, one hundred fifty thousand, forty-two".