190515042 has 24 divisors (see below), whose sum is σ = 413210460. Its totient is φ = 63439200.

The previous prime is 190515037. The next prime is 190515043. The reversal of 190515042 is 240515091.

190515042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 176384961 + 14130081 = 13281^2 + 3759^2 .

It is a junction number, because it is equal to n+sod(n) for n = 190514997 and 190515015.

It is not an unprimeable number, because it can be changed into a prime (190515043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14292 + ... + 24192.

Almost surely, 2^190515042 is an apocalyptic number.

190515042 is an abundant number, since it is smaller than the sum of its proper divisors (222695418).

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

190515042 is a wasteful number, since it uses less digits than its factorization.

190515042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10978 (or 10975 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 190515042 is about 13802.7186452525. The cubic root of 190515042 is about 575.4086994792.

The spelling of 190515042 in words is "one hundred ninety million, five hundred fifteen thousand, forty-two".