150642887 has 4 divisors (see below), whose sum is σ = 158571480. Its totient is φ = 142714296.

The previous prime is 150642853. The next prime is 150642923. The reversal of 150642887 is 788246051.

150642887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 150642887 - 2⁶ = 150642823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150642187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3964268 + ... + 3964305.

It is an arithmetic number, because the mean of its divisors is an integer number (39642870).

Almost surely, 2^150642887 is an apocalyptic number.

150642887 is a deficient number, since it is larger than the sum of its proper divisors (7928593).

150642887 is an equidigital number, since it uses as much as digits as its factorization.

150642887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7928592.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 150642887 is about 12273.6664041353. Note that the first 3 decimals coincide. The cubic root of 150642887 is about 532.0872798083.

The spelling of 150642887 in words is "one hundred fifty million, six hundred forty-two thousand, eight hundred eighty-seven".