201150042 has 32 divisors (see below), whose sum is σ = 420508800. Its totient is φ = 64025280.

The previous prime is 201150031. The next prime is 201150043. The reversal of 201150042 is 240051102.

It is a super-2 number, since 2×201150042² = 80922678793203528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201150043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129084 + ... + 130632.

It is an arithmetic number, because the mean of its divisors is an integer number (13140900).

Almost surely, 2^201150042 is an apocalyptic number.

201150042 is an abundant number, since it is smaller than the sum of its proper divisors (219358758).

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

201150042 is a wasteful number, since it uses less digits than its factorization.

201150042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 201150042 is about 14182.7374649607. The cubic root of 201150042 is about 585.9223203847.

The spelling of 201150042 in words is "two hundred one million, one hundred fifty thousand, forty-two".