147145240 has 32 divisors (see below), whose sum is σ = 361175760. Its totient is φ = 53507200.

The previous prime is 147145231. The next prime is 147145249. The reversal of 147145240 is 42541741.

It is an interprime number because it is at equal distance from previous prime (147145231) and next prime (147145249).

It is a super-3 number, since 3×147145240³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 147145199 and 147145208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147145249) 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, 166771 + ... + 167650.

Almost surely, 2^147145240 is an apocalyptic number.

147145240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147145240 is an abundant number, since it is smaller than the sum of its proper divisors (214030520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147145240 is a wasteful number, since it uses less digits than its factorization.

147145240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334443 (or 334439 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 147145240 is about 12130.3437708912. The cubic root of 147145240 is about 527.9369663810.

Adding to 147145240 its reverse (42541741), we get a palindrome (189686981).

The spelling of 147145240 in words is "one hundred forty-seven million, one hundred forty-five thousand, two hundred forty".