147240931 has 8 divisors (see below), whose sum is σ = 151225200. Its totient is φ = 143306400.

The previous prime is 147240923. The next prime is 147240941. The reversal of 147240931 is 139042741.

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 147240931 - 2³ = 147240923 is a prime.

It is a super-2 number, since 2×147240931² = 43359783523493522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147240893 and 147240902.

It is not an unprimeable number, because it can be changed into a prime (147240941) 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, 6396 + ... + 18313.

It is an arithmetic number, because the mean of its divisors is an integer number (18903150).

Almost surely, 2^147240931 is an apocalyptic number.

147240931 is a deficient number, since it is larger than the sum of its proper divisors (3984269).

147240931 is a wasteful number, since it uses less digits than its factorization.

147240931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24869.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 147240931 is about 12134.2874121227. The cubic root of 147240931 is about 528.0513836491.

The spelling of 147240931 in words is "one hundred forty-seven million, two hundred forty thousand, nine hundred thirty-one".