147150891 has 8 divisors (see below), whose sum is σ = 218001360. Its totient is φ = 98100576.

The previous prime is 147150889. The next prime is 147150947. The reversal of 147150891 is 198051741.

147150891 is a `hidden beast` number, since 147 + 1 + 508 + 9 + 1 = 666.

It is not a de Polignac number, because 147150891 - 2¹ = 147150889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147150811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2724990 + ... + 2725043.

It is an arithmetic number, because the mean of its divisors is an integer number (27250170).

Almost surely, 2^147150891 is an apocalyptic number.

147150891 is a deficient number, since it is larger than the sum of its proper divisors (70850469).

147150891 is an equidigital number, since it uses as much as digits as its factorization.

147150891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450042 (or 5450036 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 147150891 is about 12130.5766969258. The cubic root of 147150891 is about 527.9437246324.

The spelling of 147150891 in words is "one hundred forty-seven million, one hundred fifty thousand, eight hundred ninety-one".