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145732414 = 272866207
BaseRepresentation
bin10001010111110…
…11001100111110
3101011012222021211
420223323030332
5244301414124
622243315034
73416463562
oct1053731476
9334188254
10145732414
1175297a13
124097ba7a
13242665c9
14154d76a2
15cbd9e94
hex8afb33e

145732414 has 4 divisors (see below), whose sum is σ = 218598624. Its totient is φ = 72866206.

The previous prime is 145732369. The next prime is 145732417. The reversal of 145732414 is 414237541.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145732417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36433102 + ... + 36433105.

It is an arithmetic number, because the mean of its divisors is an integer number (54649656).

Almost surely, 2145732414 is an apocalyptic number.

145732414 is a deficient number, since it is larger than the sum of its proper divisors (72866210).

145732414 is an equidigital number, since it uses as much as digits as its factorization.

145732414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72866209.

The product of its digits is 13440, while the sum is 31.

The square root of 145732414 is about 12071.9681079764. The cubic root of 145732414 is about 526.2418541100.

Adding to 145732414 its reverse (414237541), we get a palindrome (559969955).

The spelling of 145732414 in words is "one hundred forty-five million, seven hundred thirty-two thousand, four hundred fourteen".

Divisors: 1 2 72866207 145732414