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145627 = 1071361
BaseRepresentation
bin100011100011011011
321101202121
4203203123
514130002
63042111
71144366
oct434333
9241677
10145627
119a459
1270337
1351391
143b0dd
152d237
hex238db

145627 has 4 divisors (see below), whose sum is σ = 147096. Its totient is φ = 144160.

The previous prime is 145603. The next prime is 145633. The reversal of 145627 is 726541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 726541 = 1938239.

It is a cyclic number.

It is not a de Polignac number, because 145627 - 215 = 112859 is a prime.

It is a Duffinian number.

145627 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (145637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574 + ... + 787.

It is an arithmetic number, because the mean of its divisors is an integer number (36774).

2145627 is an apocalyptic number.

145627 is a deficient number, since it is larger than the sum of its proper divisors (1469).

145627 is a wasteful number, since it uses less digits than its factorization.

145627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468.

The product of its digits is 1680, while the sum is 25.

The square root of 145627 is about 381.6110585400. The cubic root of 145627 is about 52.6114939678.

The spelling of 145627 in words is "one hundred forty-five thousand, six hundred twenty-seven".

Divisors: 1 107 1361 145627