147951 has 12 divisors (see below), whose sum is σ = 226512. Its totient is φ = 92736.

The previous prime is 147949. The next prime is 147977. The reversal of 147951 is 159741.

It is not a de Polignac number, because 147951 - 2¹ = 147949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147151) 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, 331 + ... + 636.

It is an arithmetic number, because the mean of its divisors is an integer number (18876).

147951 is a Friedman number, since it can be written as 9*(11*5+4^7), using all its digits and the basic arithmetic operations.

2¹⁴⁷⁹⁵¹ is an apocalyptic number.

147951 is a deficient number, since it is larger than the sum of its proper divisors (78561).

147951 is a wasteful number, since it uses less digits than its factorization.

147951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 987 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 147951 is about 384.6439912439. The cubic root of 147951 is about 52.8898864913.

The spelling of 147951 in words is "one hundred forty-seven thousand, nine hundred fifty-one".