150001855 has 8 divisors (see below), whose sum is σ = 180160272. Its totient is φ = 119896128.

The previous prime is 150001847. The next prime is 150001877. The reversal of 150001855 is 558100051.

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

It is a cyclic number.

It is not a de Polignac number, because 150001855 - 2³ = 150001847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6609 + ... + 18538.

It is an arithmetic number, because the mean of its divisors is an integer number (22520034).

Almost surely, 2^150001855 is an apocalyptic number.

150001855 is a deficient number, since it is larger than the sum of its proper divisors (30158417).

150001855 is a wasteful number, since it uses less digits than its factorization.

150001855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26345.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 150001855 is about 12247.5244437396. The cubic root of 150001855 is about 531.3314748397.

The spelling of 150001855 in words is "one hundred fifty million, one thousand, eight hundred fifty-five".